
U.S. Information Agency (American, 1953-1999)

John T Roe (English, 20th Century)

Anonymous

Hubert Rogers (Canadian, 1898-1982)

Bureau of the Census (American, 1902 - )

Ramón Casas (Spanish, 1866 – 1932)

Adolfo Hohenstein (German, 1854–1928)

Rachael Romero (Australian, b. 1953)

Manuel Orazi (Italian, 1860-1934)

Courier Litho. Co. (American, 19th/20th Century)

Laboratoire du Laitancyl (French, 20th Century)

Norman Wilson (English, 20th Century)

Ján Thain (Hungarian , 1885-1953)

Cândido de Faria (Brazilian, 1849-1911)

Anonymous

William Little (English, 20th Century)

Ronald McLeod (American, 1897 - 1977)

James Fuller Queen (American, 1820-1886)

Minka Podhajská (Czech, 1881-1963)

Eric Rohman (Swedish, 1891 - 1949)

National Institutes of Health (American, 1887-)

Hans Schleger (German, 1898 - 1976)

William Henry Walker (American, 1871-1938)