Mac Donald, Jim (photo) Canada
Macala, Ben (South Africa) African Art Winstons, Sandton, South Africa, Beltsville, MD
MacDonald-Wright, Stanton Hirschl & Adler Galleries, NY, NY
MacGilchrist, John (1893-1977) Art Institute of Chicago, Chicago, IL
Gold Leaf Fine Art Services, Inc, Candler, NC
Whitney Museum of American Art, NY, NY
Machetanz, Fred Braarud Fine Art, La Conner, WA
Ponderosa Art Gallery, Hamilton, MT
MacIsaac, Anthony Tah Gallery, Pasadena, CA
MacKenzie, Roderick D. Museum of the City of Mobile, Mobile, AL
MacMillan, Terry (clocks design) Clockmaker Terry Macmillan, Invernes, Quebec, CAN
MacMonnies, Frederick (1863-1937) Hirschl & Adler Galleries, NY, NY
Spanierman Gallery, NY, NY
MacNeil, Herman Atkins Nedra Matteucci Galleries, Santa Fe, NM
Macon, Leslie Gallery 9, Banner Elk, NC
Macura, Slobodan Macuras's Gallery, Toronto, CAN
Madini, Cristina
Madoun, Ahmad (1941-1983) Syria
Madzo, Michael Fresh Paint Art Advisors, Culver City, CA
Maes, Nicholas Museum of the City of Mobile, Mobile, AL
Magliano, Cristina Alvarez (Argentina)
Magnelli, Alberto Arte Centro, Milan, ITA
Galerie Arnoux, Paris, FRA
Galerie Cazeau-Béraudière, Paris, FRA
Galerie Lahumière, Paris, FRA
Galerie Ostler GMBH, Mittenwald, GER
Galerie Sapone, Nice, FRA
Mahoney, Michael (wood) Spectrum Galleries Fine Art, Folsom, CA
Maievskiy, Dmitriy (Russia) Russian Colours Fine Art Gallery, St. Petersburg, Russia
Maimon, Isaac Petit Louvre Art Gallery, Woodland Hills, CA
Maitland, Virginia Harmony Park Gallery, Fort Collins, CO
Maffei, Bonnie
Magal, Batia (Israel) Kew Gallery, NY, NY
Magaw, Robert Joan Cawley Gallery, Ltd., Scottsdale, AZ
Magnan, John John Magnan Studio, New Bedford, MA
Magnus, Carl (Sweden) Big-Art Gallery, Lund, Sweden
Mak, Maria Crystal Fine Art, Boston, MA
Makhotin, Vladislav (paintings) New Images Gallery
Makushin, Sergey (paintings) New Images Gallery
Malato, Guglielmo (Italy) Galleria D'Arte, Lucca, ITA
Malinowski, MaryEllen Fraser Gallery, Washington, DC
Malone, Julie
Malschick, Debra Fresh Paint Art Advisors, Culver City, CA
Maly, Patricia Freed Gallery, Lincoln City, OR
Malykh, Evgeny (Russia)
Manes, Paul (b.1948) Moody Gallery, Houston, TX
Manet, Edouard Greggie Fine Art, Atlanta, GA
Manetti Tam O’Neill Fine Arts, Denver, CO
Mangan, Peter Design Consortium Gallery, Cincinnati, OH
Mangum, Rob Gallery 9, Banner Elk, NC
Manje, David Joan Cawley Gallery, Ltd., Scottsdale, AZ
Mannheim, Jean Robert Raynolds Fine Arts, Atascadero, CA
Manning, Marc Nexus Foundation, Philadelphia, PA
Manship, Paul Hirschl & Adler Galleries, NY, NY
Spanierman Gallery, NY, NY
Mansoor, C.V. Volatile, Cincinnati, OH
Mansour, Kaoru Fresh Paint Art Advisors, Culver City, CA
MANUAL (Edward Hill & Suzanne Bloom) Moody Gallery, Houston, TX
Manville, Elsie Capricorn Galleries, Potomac, MD
Manzoni, Piero Galerie Di Meo, Paris, FRA
Galerie Karsten Greve, Paris, FRA
Hirschl & Adler Galleries, NY, NY
Maraval, Pierre ESF-Espace Saint-François, Lausanne, Swiss
March, Michael John Dahl Fine Art & Frame Design, East Amherst, NY
Marga Galerie Huys Molensloot, Antwerp, Belgium
Margerison, Paul
Margolies, Samuel L. (1897-1974) Childs Gallery, Boston, MA
Hirschl & Adler Galleries, NY, NY
Mari Dahl Fine Art & Frame Design, East Amherst, NY
Maria, Nicola de (b.1954) Galerie Kaess-Weiss, Stuttgart, GER
Galerie Karsten Greve, Paris, FRA
Galerie Lelong. Paris, FRA, NY, NY, Zürich, Switzerland
Mariano (Cuba) Arte para colleccionistas, Mexico City, Mexico
Marin, Elizabeth (oils, mixed media) Tyndall Galleries, Durham, NC
Marin, John (1870-1953) Allinson Gallery, Inc, Storrs, CT
Hirschl & Adler Galleries, NY, NY
Nedra Matteucci Galleries, Santa Fe, NM
Pensler Galleries, Washington, DC
Spanierman Gallery, NY, NY
Marioni, Dante William Traver Gallery, Seattle, WA
Marioni, Paul William Traver Gallery, Seattle, WA
Mariscal, Javier Galería Trama, Barcelona, Spain
Maragall Edicions, Barcelona, Spain
Marisol Marlborough, NY, NY
Markelov, Dmitro (paintings) New Images Gallery
Markiewicz, Wilek Macuras's Gallery, Toronto, CAN
Marks, Hal (watercolors) Tyndall Galleries, Durham, NC
Markus, Csaba Dahl Fine Art & Frame Design, East Amherst, NY
Marquez, Sebastian
Mars, Ethel Hirschl & Adler Galleries, NY, NY
Marschall, Nicola Museum of the City of Mobile, Mobile, AL
Marsh, Riginald (1898-1954) Abigail Furey Fine Prints and Drawings, Boston, MA
Childs Gallery, Boston, MA
Hemphill Fine Arts, Washington, DC
Hirschl & Adler Galleries, NY, NY
Madeleine Fortunoff Fine Prints, Locus Valey, NY
Mobile Museum of Art, Mobile, AL
Spanierman Gallery, NY, NY
Martens, Adriel & Jan (naïve art) Netherlands
Martin, Christopher H. Christopher Martin Gallery Four, Dallas, TX, USA
Martin, John Hirschl & Adler Galleries, NY, NY
Spanierman Gallery, NY, NY
Martin, Lanny 
Martin-XY (France)
Martín Royo, Neus Sala Parés, Barcelona, Spain
Martinez, Maria Nedra Matteucci Galleries, Santa Fe, NM
Martinez, Miguel Studio W, El Paso, TX
Martinez, Raul Oscar "Roscar" (paintings) Mexico Kew Gallery, NY, NY
Martinez, Soraida VER / Victor Edgar Rivera, Cherry Hill, NJ, USA
Martos, Frederic Galerie Huys Molensloot, Antwerp, Belgium
Marx, Roberto Burle Overseas Arts, LLC, Wilmington, DE
Maslov, Vladimir (paintings) New Images Gallery
Mason, Raymond Marlborough, NY, NY
Massa, Carol ArtHouse, San Francisco, CA
Mathews, Alfred E. Tam O’Neill Fine Arts, Denver, CO
Matsoso, Leonard (South Africa) African Art Winstons, Sandton, South Africa, Beltsville, MD
Matta, Roberto Galleries & Museums
Matthews, William Broschofsky Gallery, Ketchum, ID
Nedra Matteucci Galleries, Santa Fe, NM
Spanierman Gallery, NY, NY
Matisse, Henri (1869-1954) Galerie Barès, Paris, FRA
Galerie Berggruen et Cie, Paris, FRA
Galerie Daniel Malingue, Paris, FRA
Galerie Dina Vierny, Paris, FRA
Galerie Gravure Actuelle, Paris, FRA
Galerie Patrice Trigano, Paris, FRA
Hirschl & Adler Galleries, NY, NY
Place des Arts, Paris, FRA
Spanierman Gallery, NY, NY
Masterton, Robin (dolls) Masterton Robin Design, London, UK
Matiosian, Pam Freed Gallery, Lincoln City, OR
Matulka, Jan (1890-1972) Abigail Furey Fine Prints and Drawings, Boston, MA
Hirschl & Adler Galleries, NY, NY
Thomas McCormick, Chicago, IL
Spanierman Gallery, NY, NY
Matuschka Agnes, Birmingham, AL
Mauplot, François (France)
Maurer, Alfred H. (1868-1932) Hirschl & Adler Galleries, NY, NY
Spanierman Gallery, NY, NY
Mauritius, Norbert (Germany)
Mavronich, Marty Collective Gallery, The, Topeka, KS
Max, Peter Galleries & Museums
Maximo, Yves ESF-Espace Saint-François, Lausanne, Swiss
Maxon, John Joan Cawley Gallery, Ltd., Scottsdale, AZ
Maxwell, John Tah Gallery, Pasadena, CA
May, David (marine art)
May, Nancy Tuttle (mixed media) Tyndall Galleries, Durham, NC
Mayo, Andrew Cruz L.A. Gallery, Venice, CA
Mayner, Jim Tah Gallery, Pasadena, CA
McArthur, Cheryl Freed Gallery, Lincoln City, OR
McCaw, Dan Dahl Fine Art & Frame Design, East Amherst, NY
McCulloch, Daniel (photo) Design Sinergy, Santa Fe, NM
McDonald, David Freed Gallery, Lincoln City, OR
McDonald, Les Story Sloane's Gallery, Houston, TX
McFadden, Katy Freed Gallery, Lincoln City, OR
McFadden, Joe Thomas Jacoby Fine Art, Cashiers, NC
McGarrell, James Galerie Simonne Stern, New Orleans, LA
McGrew, R. Brownell Trails West by the Sea, Laguna Beach, CA
McGuire, Kirk (bronze sculptures)
McHugh, Rhonda Freed Gallery, Lincoln City, OR
McIlvenna, Jeff Freed Gallery, Lincoln City, OR
McIntosh, Gregory Stephen Thomas Jacoby Fine Art, Cashiers, NC
McIver, Beverly (oils) Tyndall Galleries, Durham, NC
McKesson, Malcolm Henry Boxer, Richmond, UK
McKenney & Hall Hirschl & Adler Galleries, NY, NY
Tam O’Neill Fine Arts, Denver, CO
McKeown, Geraldine McBride Gallery, Annapolis, MD
McKnight , Thomas Renjeau Gallery, Natick, MA
McLain, Kelly William Traver Gallery, Seattle, WA
McLeod, Ann Joan Cawley Gallery, Ltd., Scottsdale, AZ
McManaway, David (b.1927) Moody Gallery, Houston, TX
McMillen, Mildred Hirschl & Adler Galleries, NY, NY
Medearis, Roger Capricorn Galleries, Potomac, MD
Mecray, John Arnold Art, Newport, RI
Renjeau Gallery, Natick, MA
Medovikov, Nikita (Russia) Russian Colours Fine Art Gallery, St. Petersburg, Russia
Mell, Ed Joan Cawley Gallery, Ltd., Scottsdale, AZ
Mellaerts, Hélène  (paintings)
Melnik, Vladimir (paintings) New Images Gallery
Melnikov, Alexander A. (paintings) New Images Gallery
Menache, Margaret (photography) Tyndall Galleries, Durham, NC
Menard, Lloyd ArtHouse, San Francisco, CA
Mencher, Kenney Bryant Galleries, Jackson, MS
Craghead Green, Dallas, TX
Hang Gallery, San Francisco, CA
Mendiburu, Remigio (Spain) Luis Burgos Galeria De Arte, Bilbao, Spain
Mendini, Alessandro Galerie Kaess-Weiss, Stuttgart, GER
Meng, Luding
Menguy, Frederic Tah Gallery, Pasadena, CA
Merian, Maria Sibylla Tam O’Neill Fine Arts, Denver, CO
Merrick, Dave Joan Cawley Gallery, Ltd., Scottsdale, AZ
Merritt, James Hirschl & Adler Galleries, NY, NY
Messa, Lou McBride Gallery, Annapolis, MD
Messana, Moira (mixed media) Tyndall Galleries, Durham, NC
Metz, Dan Ponderosa Art Gallery, Hamilton, MT
Meyer, Herbert Greggie Fine Art, Atlanta, GA
Meyers, Beverley Peter (UK)
Mgebrishvili, Emzar
Michaelides, Dimitri William Traver Gallery, Seattle, WA
Michaux, Andre Tam O’Neill Fine Arts, Denver, CO
Michel, Alfonso (Mexico) Arte para colleccionistas, Mexico City, Mexico
Michel, Susanne (watercolors)   (jewelry) KARTHAGO Virtual Gallery, Germany
Mikropoulos, Evangelos (Greece)
Middleton, Lee (dollmaker) G.E.M. Doll Emporium Inc., Coquitlam, BC, Canada
Miguel, Anna Galería Trama, Barcelona, Spain
Mihail, Alen (Romania)
Mikhnovskiy, Sergey (paintings) New Images Gallery
Milan, Pablo Antonio Joan Cawley Gallery, Ltd., Scottsdale, AZ
Milder, Huub (Netherlands) Galerie Utrecht, Utrecht, The Netherlands
Mildred, Touchton McBride Gallery, Annapolis, MD
Miles, Dj Freed Gallery, Lincoln City, OR
Miles, Thomas Rose Renjeau Gallery, Natick, MA
Millar Galerie Huys Molensloot, Antwerp, Belgium
Millar, Marianne Joan Cawley Gallery, Ltd., Scottsdale, AZ
Millares, Manolo (Spain)  Luis Burgos Galeria De Arte, Bilbao, Spain
Miller, Alfred Jacob (1810-1874) Adams Davidson Galleries, Washington, DC
Hirschl & Adler Galleries, NY, NY
Nedra Matteucci Galleries, Santa Fe, NM
Spanierman Gallery, NY, NY
Miller, David Exclusive Collections Gallery, La Jolla, CA
Miller, John William Traver Gallery, Seattle, WA
Miller, Melissa (b.1951) Moody Gallery, Houston, TX
Miller, R.A. Anton Haardt Gallery, New Orleans, LA, Montgomery, AL
Miller, Richard Emil Hirschl & Adler Galleries, NY, NY
Spanierman Gallery, NY, NY
Miller, Robbie Freed Gallery, Lincoln City, OR
William Traver Gallery, Seattle, WA
Millet, Jean-François (1814-1875) Arnot Art Museum, Elmira, NY
Frederick Backer, Inc., Chicago, IL
Marc de Montebello Fine Art, Inc., NY, NY
Univ. of Minnesota Tweed Museum of Art, Duluth, MN
Millington, Terence Dahl Fine Art & Frame Design, East Amherst, NY
Mimnaugh, Terry Ponderosa Art Gallery, Hamilton, MT
Minkova, Angela (Bulgaria)
Miró, Joan Luis Burgos Galeria De Arte, Bilbao, Spain
Miska Art Concept, Tacoma, WA
Issaquah Gallery, Issaquah, WA
Miska Exhibition, Kirkland, WA
Miska Studio Gallery, Issaquah, WA
Missakian, Berge Monty Starber Galleries, Birmingham, AL
Mitchell, Dean Studio W, El Paso, TX
Mitchell, Lou (mixed media) Tyndall Galleries, Durham, NC
Moberg, TJ & Tom Moberg Art Gallery, Des Monies, IA
Modigliani, Amedeo Allen Memorial Art Museum, Oberlin, OH
Barnes Foundation, Merion Station, PA (M)
Galleria Durini Ltd. , NY, NY
John Hopkins University Evergreen House, The, Baltimore, MD
Scharf Fine Art, NY, NY
Vorpal Gallery, NY, NY
Moe, Holly Primary Objects Fallery, San Antonio, TX
Mohn, Eric McBride Gallery, Annapolis, MD
Moje, Klaus William Traver Gallery, Seattle, WA
Moldenhauer, Susan (photography) Harmony Park Gallery, Fort Collins, CO
Molera, Gemma Maragall Edicions, Barcelona, Spain
Molokeng, Billi (South Africa) African Art Winstons, Sandton, South Africa, Beltsville, MD
Molyneaux, Sarah Gallery 9, Banner Elk, NC
Monaghan, Thomas Joan Cawley Gallery, Ltd., Scottsdale, AZ
Mondoloni, Jules Franck David Linker Gallery, NY, NY
Monroe, Lanford Ponderosa Art Gallery, Hamilton, MT
Spanierman Gallery, NY, NY
Trailside Galleries, Scottsdale, AZ, Jackson, WY
Montes, Horacio (Mexico)
Moore, Andrew Gallery 9, Banner Elk, NC
Moore, Benjamin Freed Gallery, Lincoln City, OR
Moore, Henry Hirschl & Adler Galleries, NY, NY
Spanierman Gallery, NY, NY
Storm King Art Center, Mountainville, NY
Moore, John Hirschl & Adler Galleries, NY, NY
Spanierman Gallery, NY, NY
Moore, Ken Fayette Art Museum, Fayette, AL
Story Sloane's Gallery, Houston, TX
Moore, Thomas Rare-Prints.com, Austin, TX
Moors, Michael Dahl Fine Art & Frame Design, East Amherst, NY
Monakhova, Valentina  (Russia) Russian Colours Fine Art Gallery, St. Petersburg, Russia
Moniz, Arthur Arthur Moniz GalleryFairhaven, MA
Monnington, Tom (1902-1976) Manor House Gallery, Cheltenham, UK
Mora, Francisco Tah Gallery, Pasadena, CA
Morales, Juan Perez Art Pratique, Wilmington, DE
Morales, Rodolfo (Mexico) Arte para colleccionistas, Mexico City, Mexico
Moran, Mary Nimmo (1842-1899 ) Abigail Furey Fine Prints and Drawings, Boston, MA
Allinson Gallery, Inc, Storrs, CT
Childs Gallery, Boston, MA
Hirschl & Adler Galleries, NY, NY
Moran, Sonya (scultures) Australia
Moran, Thomas (1837-1926) Abigail Furey Fine Prints and Drawings, Boston, MA
Childs Gallery, Boston, MA
Hirschl & Adler Galleries, NY, NY
Mobile Museum of Art, Mobile, AL
Nedra Matteucci Galleries, Santa Fe, NM
Tam O’Neill Fine Arts, Denver, CO
Spanierman Gallery, NY, NY
Morang, Alfred Nedra Matteucci Galleries, Santa Fe, NM
Morath, Stephen Joan Cawley Gallery, Ltd., Scottsdale, AZ
Mordant, Daniel Greggie Fine Art, Atlanta, GA
Morel, J. Chris Joan Cawley Gallery, Ltd., Scottsdale, AZ
Morelli, Eugene Ponderosa Art Gallery, Hamilton, MT
Morf, John ESF-Espace Saint-François, Lausanne, Swiss
Morgan, Jim Ponderosa Art Gallery, Hamilton, MT
Trailside Galleries, Scottsdale, AZ, Jackson, WY
Morgenthaler, Luella McBride Gallery, Annapolis, MD
Morgan, Fred Rehs Gallery, New York, NY
Morgan, R.T. Gallery 9, Banner Elk, NC
Morin, Roger J. Roger Morin Art Gallery, Houlton, ME
Morinoue, Hiroki Freed Gallery, Lincoln City, OR
Morisot, Berthe Galerie Daniel Malingue, Paris, FRA
Galerie Hopkins Thomas, Paris, FRA
Hirschl & Adler Galleries, NY, NY
Spanierman Gallery, NY, NY
Morita, Uko Roseline Koener Art Gallery, The, Westhampton Beach, NY
Morlete (Mexico) Arte para colleccionistas, Mexico City, Mexico
Moroz, Petro (paintings) New Images Gallery
Morris, George L.K. Hirschl & Adler Galleries, NY, NY
Spanierman Gallery, NY, NY
Morrow, Michael Joan Cawley Gallery, Ltd., Scottsdale, AZ
Morton, Gary Studio W, El Paso, TX
Moscardó, Josep Maragall Edicions, Barcelona, Spain
Sala Parés, Barcelona, Spain
Moscardó, Ramon Sala Parés, Barcelona, Spain
Moshkin, Igor (Russia)
Moskowitz, Stewart
Moss, Gene Nedra Matteucci Galleries, Santa Fe, NM
Moss, Pat Buckley McBride Gallery, Annapolis, MD
Renjeau Gallery, Natick, MA
Mostyn, Thomas Rehs Gallery, New York, NY
Motti, G Calleria Ferrari, Treviglio, Italy
Mount, William Sidney Hirschl & Adler Galleries, NY, NY
Spanierman Gallery, NY, NY
Mountainbird (pottery) Mountainbird Pottery, Wilmington, NC
Wilmington Gallery, Wilmington, NC
Mozafarian, Tara Tah Gallery, Pasadena, CA
Mozeico, Mona Freed Gallery, Lincoln City, OR
Mozhaev, Alexey (Russia) Russian Colours Fine Art Gallery, St. Petersburg, Russia
Mueller, Chris Nexus Foundation, Philadelphia, PA
Mueller, Rob Fraser Gallery, Washington, DC
Muenzenmayer, Ken Joan Cawley Gallery, Ltd., Scottsdale, AZ
Mukho, Nikolay (Russia) Russian Colours Fine Art Gallery, St. Petersburg, Russia
Mulder, R.L. Freed Gallery, Lincoln City, OR
Mullan, G. E. Joan Cawley Gallery, Ltd., Scottsdale, AZ
Mulsant, Martial Tam O’Neill Fine Arts, Denver, CO
Munch, Edward (1862-1944) Childs Gallery, Boston, MA
Editions J. de Champvallins, Paris, FRA
Hirschl & Adler Galleries, NY, NY
Mundó, Ignasi Sala Parés, Barcelona, Spain
Munier, Emile (1810-1895) Rehs Gallery, NY, NY
Schiller & Bodo, NY, NY
Muñoz, Glòria Sala Parés, Barcelona, Spain
Muñoz, Lucio Marlborough, Madrid, Spain
Muravyeva, Lyubov (sculpture)
Murphy, Carole (bronze sculpture) Murphy's Studio, Portland, OR
Murphy, Terrence J. (sculpture)
Musler, Jay William Traver Gallery, Seattle, WA
Myers, Ross Joan Cawley Gallery, Ltd., Scottsdale, AZ
Myers, Tom Freed Gallery, Lincoln City, OR