
Ludwig Hohlwein (German, 1874 – 1949)

Ethel Reed (American, 1874 - 1900)

National Institutes of Health (American, 1887-)

Burkhard Mangold (Swiss, 1873-1950)

Richard Heintz (Belgian, 1871-1929)

Laboratoires Licardy (French, 20th Century)

Anonymous

K. Marsh (American, 20th Century)

Fritz Rumpf (German, 1856-1927)

Anonymous

Imp. Emile Lévy (French, 19th/20th century)

Fritz Rehm (German, 1871-1928)

Bureau of the Census (American, 1902 - )

Strobridge & Co. Lith. (American, 1847 -)

W. A. Winter (Canadian, 20th Century)