
Hans Neumann (Austrian, 1873-1957)

Abel Faivre (French, 1867 - 1945)

Melchior Lechter (German, 1865 - 1937)

Will Bradley (American, 1868 – 1962)

Karol Zyndram Maszkowski (Polish, 1868-1938)

Laboratoires G. Beytout (French, 20th Century)

Joseph Gould (American, 1880 - 1935)

Anonymous

Laboratoires Renard (French, 20th Century)

Anonymous

Anonymous

Louis Rhead (American, 1857-1926)

Edward Penfield (American, 1866 - 1925)

Carl Scherer (Swiss, 1890-1953)

Emil Cardinaux (Swiss, 1877–1936)

National Printing & Engraving Company (American, 19th/20th Century)

Anonymous

Le Lactobyl (French, 20th Century)

Imp. Chaix (French, 1845 - 1965)

Anonymous

Władysław Skoczylas (Polish, 1883-1934)

Eric Rohman (Swedish, 1891 - 1949)