
Van Dearing Perrine (American, 1869 – 1955)

Anonymous

Reinier Willem Petrus de Vries (Dutch, 1874 - 1952)

Ludwig Hohlwein (German, 1874 – 1949)

Laboratoire du docteur Albert Vermersch (French, 20th Century)

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

Rachael Romero (Australian, b. 1953)

Anonymous

Julius Klinger (Austrian, 1876 – 1942)

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

Eddy de Smet (Dutch, 20th Century)

Wells & Hope Co. (American, 1845-1907)

Dietmar Winkler (German, 1938 -)

Anonymous

Will Bradley (American, 1868 – 1962)

Johann Vincenz Cissarz (German, 1873-1942)

James Fuller Queen (American, 1820-1886)

Theo Nieuwenhuis (Dutch, 1866-1951)

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

Anonymous

Laboratoires Petit (French, 20th Century)

Joseph Binder (Austrian, 1898-1972)