Fernand Siméon (French, 1884-1928)
Auguste Louis Lepère (French, 1849-1918)
Konštantín Kövári-Kačmarik (Slovak, 1882-1916)
Columbia University Teachers College (American, 19th/20th Century)
Hendrik Willem Van Loon (Dutch, 1882-1944)
Emil Cardinaux (Swiss, 1877–1936)
George Washington Bromley (American, 1857-1929)
Anonymous
Emile-Allain Séguy (French, 1877-1951)
Herbert Crowley (English, 1873 – 1937)
Anonymous
Maud Hunt Squire (American, 1873-1954)
Thomas Sidney Cooper (English, 1803 - 1902)
Pierre Bonnard (French, 1867-1947)
Mario Simon (French, 19th/20th Century)
Karl Neunzig (German, 1864 -1944)
Will R. Barnes (American, ?-1939)
Georges Goursat (Sem) (French, 1863–1934)
Thomas Lord Busby (English, 1782-1838)
John Samuel Pughe (American, 1870-1909)
Édouard Guichard (French, 1815-1889)
Paul Wenzel (Publisher) (American, 19th Century)
Charles Frederick William Mielatz (American, 1864-1919)
Jack Markow (American, 1905-1983)
William Salmon (English, 1644–1713)
Henri Rivière (French, 1864 – 1951)