
Anonymous

Anonymous

Anonymous

John Severinus Conway (American, 1852-1925)

U.S. Lithograph Co. (American, 19th/20th Century)

H.C. Miner Litho. Co. (American, 1896-1935)

Victor Prouvé (French, 1858-1943)

William Henry Walker (American, 1871-1938)

Anonymous

Laboratoires de biochimie médicale (French, 20th Century)

Laboratoires Bailly (French, 20th Century)

National Institutes of Health (American, 1887-)

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

Will R. Barnes (American, ?-1939)

Anonymous

Prudent-Louis Leray (French, 1820 – 1879)

Anonymous

Willy Sluiter (Dutch, 1873-1949)

Louis Rhead (American, 1857-1926)

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

Laboratoires la Biomarine (French, 20th Century)

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

William Carqueville (American, 1871-1946)

Anonymous

Theo Nieuwenhuis (Dutch, 1866-1951)