Portrait of Dr. Chao-Ming Chen
1958-03
1958-03
circa 1949
circa 1925
1912 or 1914
1977-08-15
1950-10
circa 1957-01
circa 1957
circa 1957-01
undated
undated
1942-03-29
1900-10
circa 1835
1841-10-26
1948
1992-1993
1992-1993
1992-1993
1992-1993
1992-1993
1992-1993
1992-1993
1992-1993
1992-1993
1992-1993
1992-1993
1992-1993
circa 1875
circa 1902
1880
unknown
1861
circa 1823
circa 1900
1903
1903
1804
circa 1860
circa 1993
1873
1904-06-14
circa 1860s
1897
circa 1880
circa 1880
1895
1888
1888
1889-08
1881
circa 1881-1883
1925
undated
undated
1798-11-08
circa 1880
circa 1904
1856
1995-08-19