Gian Emilio Malerba (Italian, 1880-1926)
Paul Scheurich (German, 1883-1945)
Pal (Jean de Paleologue) (Romanian, 1855 - 1942)
Anonymous
Anonymous
Imp. Charles Lévy (French, 19th/20th century)
Anonymous
Imp. F. Champenois (French, 19th/20th century)
Jozef Hanula (Slovak, 1863-1944)
Ron White (Canadian, 20th Century)
Anonymous
National Institutes of Health (American, 1887-)
National Institutes of Health (American, 1887-)
Eric Rohman (Swedish, 1891 - 1949)
Hubert Rogers (Canadian, 1898-1982)
Hubert Rogers (Canadian, 1898-1982)
Hubert Rogers (Canadian, 1898-1982)
Michael P. Whelan (American, 19th/20th Century)
Michael P. Whelan (American, 19th/20th Century)
Michael P. Whelan (American, 19th/20th Century)
Isaac Brewster Hazelton (American, 1875-1943)
Anonymous
Adolf Friedländer Lith. (German, 19th/20th century)
Edmund Edel (German, 1918–1939)
Ton Martens (Dutch, 21st Century)
