 GuyCarleton Wiggins Roughton Galleries,Inc
 Julian Onderdonk Roughton Galleries,Inc
 Frank Sauerwein THE COEUR D' ALENE ART AUCTION
 Emil Carlsen Roughton Galleries,Inc
 Alfred Gurrey American Eagle Fine Art
 CharlesPartridge Adams David Cook Galleries
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Liam O Broin (1944 - ) Ireland Liston M.
Oak (early 20th Century) New York Herbert Walter
Oake (1881 - 1939) United Kingdom David Pendleton
Oakerhater (1843 - 1931) United States Abby (Abigail) Tyler
Oakes (1823 - 1886) New York Dorothy M.
Oakes (mid 20th Century) New York Edward Everett
Oakes (1891 - ) New Hampshire John Wright
Oakes (1820 - 1887) United Kingdom Julie Dawn
Oakes (1948 - ) New York Katie L.
Oakes (late 19th Century) Michigan Marguerite E.
Oakes (20/21st Centuries) New York Minnie F.
Oakes (19-20th Cen) United States Mortimer Leon
Oakes (1860 - 1949) California Susan Marcia
Oakes (1865 - 1913) Maine Wilbur L.
Oakes (1876 - 1934) Ohio Wilder Charles
Oakes (1956 - ) Maine Peter Howard
Oakeshott (1908 - 2002) California Maria Oakey (1845 - 1928) New York Ellen Oakford (late 19th Century) Connecticut Alfred James
Oakley (1880 - 1959) United Kingdom Arthur Oakley (early 20th Century) New York Charles Oakley (1925 - ) United Kingdom Edward Oakley (mid 19th Century) New York Frank F.
Oakley (mid 19th Century) Massachusetts George Oakley (1793 - 1869) New York George C.
Oakley (20th Century) New York Georgina Oakley (mid 19th Century) New York Harold Oakley (fl.1912 - 1929) United Kingdom Hester Oakley (early 20th Century) Pennsylvania Juliana Oakley ( - 1912) New York / France Louise M.
Oakley (1865 - ) California Maria L
Oakley (fl.1854 - 1865) United Kingdom Octavius Oakley (1800 - 1867) United States Susan Oakley (1887 - 1985) California Thornton Oakley (1881 - 1953) Pennsylvania Violet Oakley (1874 - 1961) Pennsylvania Arthur W.
Oakman (1910 - ) Massachusetts Edla C.
Oaterberg (20th Century) California Bennett Oates (1928 - ) United Kingdom Bill Oates (20th) Georgia Daniel Oates (1964 - ) New York J.W. Oates Leo Edwin
Oates (1884 - 1953) California Margrette Oatway (early 20th Century) Illinois Kaspar Obach (1807 - 1865) Switzerland N. Eric
Oback (1920 - 1979) California Charles Obas (1927 - ) Haiti Chiura Obata (1885 - 1975) California / Japan May O'Beis (late 19th Century) United States Niels Obel (1937 - ) Denmark Nicolas Obelenski (19th Century) Russian Federation George Obenaur (1862 - 1922) California Artemi Ober (1843 - 1917) Russian Federation Eric Ober (20/21st Centuries) Texas Hermann Ober (1920 - 1997) Austria M. H.
Ober California Josef Oberberger (1905 - 1994) Germany John Oberdorf (1952 - ) Oregon Charlotte Oberg (1955 - ) Folka Oberg Minnesota Ralph Edward
Oberg (1950 - ) Colorado William Oberhardt (1882 - 1958) New York Emanuel Oberhauser (19/20th Century) Austria Ernst Oberhausli (1865 - 1914) Switzerland Heide Oberheide (1957 - ) Canada Ernst Oberhoff (1906 - 1980) Germany Oswald Oberhuber (1931 - ) Austria Mary McLean
Obering (1937 - ) New York Johann Baptist
Oberkofler (1895 - ) Germany Adolf Oberlander (1845 - 1923) Germany Marek Oberlander (1929 - 1978) Poland Marie Oberlander New York Jean Oberle (1900 - 1961) United States Hermann Oberli (1914 - ) Switzerland Nicholas Oberling (20th Cen) Montana Anthony Oberman (1781 - 1845) Netherlands Max Obermayer (1866 - ) Germany Ray Obermayr United States Michael Obermeyer (1959 - ) California Effie Obermiller United States Louisa Obermiller United States Josef (Sepp)
Obermoser (1900 - after 1970) Franz Obermuller (1869 - 1917) Austria Adolf Obermullner (1833 - 1898) Austria Mark Oberndorf (1961 - ) New Jersey Paul Oberst (20th) United States Chuck Oberstein (1935 - 2002) United States Ludwig Obersteiner (1857 - ) Austria Lois McDonald
Obert (1903 - 1993) California Helen Obertauffer New York George Oberteuffer (1878 - 1940) Illinois Henriette Amiard
Oberteuffer (1878 - 1962) Illinois Karl Amiard
Oberteuffer (1908 - 1958) Massachusetts Joseph Oberthur (1872 - 1956) Europe Antonio Oberto (1872 - ) Italy Walter Obholzer (1943 - ) Gottfried Obi (1899 - 1969) Switzerland Jovan Obican (1918 - 1986) Croatia Oskar Obier (1876 - ) Germany Antoine Obin (1929 - ) Haiti C. Obin Haiti Claude Obin Haiti Henri Claude
Obin (20th Century) Haiti Jean-Marie Obin (20th Century) Haiti Michel M
Obin (1949 - ) Haiti Philome Obin (1892 - 1986) Haiti Pierre Frederic
Obin (1952 - ) Haiti Seneque Obin (1893 - 1977) Haiti Telemaque Obin (20th Century) Haiti Gustavo Obiols Delgado (1858 - ) Spain Mariano Obiols Delgado (19th Century) Spain Jose Obiols Palau (1894 - 1967) Spain Obi-One (20th/21st Centuries) France Amalie Oblak (1813 - 1860) Austria Josef Oblasser (1707 - 1746) Hans Obleitner (1893 - 1984) Austria Peter Victor
Obninsky (1901 - 1997) California Nikolai Obolenskii (19th Century) Russian Federation Marcia Wolf
Oboler (20th Cen) United States Leonid Obolsky (1951 - ) Europe Anna Marie Oborn (late 20th Century) Utah Terina O'Bourke (20th/21st Centuries) Florida Michael O'Boyle (mid 19th Century) New York Dimitri Oboznenko (1930 - ) Russian Federation Gertrude O'Brady (1901 - 1983) United States Alejandro Obregon (1920 - 1992) Columbia Jorge Obregon Unknown Country Jose Obregon (1832 - 1902) Mexico Roberto Obregon (1946 - ) Latin America Ynocento F.
Obregon (1847 - 1920) California Angela O'Brian Catherine P.
O'Brian Illinois John O'Brian (20th Century) United States Mabel Day
O'Brian (mid 20th Century) Iowa William B.
O'Brian (mid 20th Century) New York Catherine C.
O'Brien (early 20th Century) New York Christopher W.
O'Brien (mid 19th Century) New York Daniel O'Brien (mid 19th Century) Ohio Daniel B.
O'Brien California Daniel J.
O'Brien (mid 20th Century) Illinois Dermod O'Brien (1865 - 1945) United Kingdom Doris E.
O'Brien (20th. Century) United States Douglas O'Brien (1883 - 1954) California Elizabeth O'Brien (19th Century) United States Eugene O'Brien California Frank Morgan
O'Brien (1877 - 1919) California / Italy George O'Brien (1821 - 1888) Australia Geraldine O'Brien (1922 - ) Ireland Gertrude O'Brien Pennsylvania Gertrude O'Brien (19th/20th Century) California Greta O'Brien (20th Century) Ireland J. Pat
O'Brien (20th Century) California James O'Brien United States James Francis
O'Brien (20th Century) District Of Columbia James G.
O'Brien (1779 - 1829) United Kingdom Joan Hurley
O'Brien Ohio John O'Brien (1832 - 1891) Canada John J.
O'Brien United States John O.
O'Brien (1834 - 1904) California John W.
O'Brien Illinois Judy O'Brien United States Justin Maurice
O'Brien (1917 - 1996) Australia Kitty Wilmer
O'Brien (1910 - 1982) United Kingdom L. O'Brien (19th Century) California Lilah Assanti
O'Brien (1884 - 1968) Ireland Louise O'Brien (20th/21st Century) Ireland Lucius Richard
O'Brien (1832 - 1899) Ontario / Canada Michael Edward
O'Brien (1854 - 1936) Colorado Nell Pomeroy
O'Brien (1899 - 1966) Louisiana Norman R.
O'Brien (1920 - 1982) Massachusetts Peter O'Brien (20th Century) Robert O'Brien New York Robert J.
O'Brien (1954 - ) Vermont Senan O'Brien (21st Century) Ireland Seumas O'Brien (1880 - ) California Smith O'Brien (1868 - 1952) California Terrell O'Brien (20th) Texas Thomas M.
O'Brien (1906 - 1967) California Vic O'Brien (mid 20th) Massachusetts William S.
O'Brien California Hans Rudolf
Obrist (1809 - 1868) Switzerland Leila Obrist Aage Obro (1884 - 1978) Denmark Arthur D.
Obrosey Michigan Jacub Obrovsky (1882 - 1949) Czech Republic Hartwell Paul
O'Bryne (1893 - 1966) California Kim Obrzut (20th) Arizona Wieslaw Obrzydowski (1938 - ) Poland Robert Obsieger (1884 - 1958) Austria Adolf Obst (1869 - ) Germany Carlo Obst Julius Obst (19th/20th Century) Germany Robert Obtresal (1880 - 1915) Austria Martin Felix
Obzina (1892 - 1991) California Frank O'Cain (1937 - ) United States Hipolito Ocalia (1916 - 1984) Margaret O'Callaghan (1860 - 1945) California Rosemary O'Callaghan Westropp (1896 - 1982) Ireland Clinton Clement
O'Callahan (1890 - 1943) Connecticut / France Kevin B.
O'Callahan (1902 - 1977) New York Hernando Ruiz
Ocampo (1911 - 1978) Philippines Isidoro Ocampo United States Manuel Ocampo (1965 - ) California / Philippines Manuel Ocaranza (1841 - 1882) Mexico Breon O'Casey (1928 - ) United Kingdom Sean O'Casey (1880 - 1964) Ireland Diarmuid O'Ceallachain (1915 - 1993) Ireland Humphrey Ocean (1951 - ) United Kingdom Jose Garcia
Ocejo (1928 - ) Unknown Country Jose Garcia
Ocejo (1928 - ) Unknown Country Carlos Ochagavia (1913 - ) Argentina Latchesar Ochavkov (1940 - ) Bulgaria Mansel Ocheltree (1925 - ) Arizona Tam Ochiai (1967 - ) New York David Ochieng (20th Century) Kenya Tetsuo (Bob)
Ochikubo (1923 - 1975) Hawaii L. Ochlmann ( Late 19th Century) California Georg Ochme Enrique Ochoa (1890 - 1978) Spain Francisco Ochoa (20th Century) Jorge Ochoa (1950 - ) Mexico Rafael Ochoa Y Madrazo (1858 - 1935) Spain Jacques Ochs (1883 - 1971) France Peter Paul
Ochs (1931 - 1994) British Columbia / Canada Louise Ochse (19th Century) Belgium Ernest Ochsner (1944 - ) Nebraska Rise Delmar
Ochsner (20th Cen) Louisiana Jacob Ochtervelt (1635 - ) Netherlands Dorothy (Mrs. W. A. Del Mar)
Ochtman (1892 - 1971) Connecticut Leonard Ochtman (1854 - 1934) Connecticut Mina Fonda
Ochtman (1862 - 1924) Connecticut Teofil Ociepka (1891 - 1978) Poland Eduard Ockel (1834 - 1910) Germany Robert Ockelmann (1849 - 1915) Germany Erik Ockenholt (1961 - ) Denmark Adriaen Jansz
Ocker (1621 - 1669) Netherlands Jeanne A.
Ocker (1922 - ) California Carl Friedrich
Ockert (1825 - 1899) Germany Allegra Ockler (20th Century) United States Elizabeth Ockwell (20th Century) Illinois Gertrude O'Claire California Seamus O'Colmain (1925 - 1990) Ireland Emilio Ocon Y Rivas (1848 - 1904) Spain Studio! Anthony Ocone (1955 - ) California/Vermont Charles J.
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