Anonymous
Ethel Franklin Betts (American, 1877-1959)
Adolph Treidler (American, 1886–1981)
Vojtech Preissig (Czech, 1873-1944)
Adolph Treidler (American, 1886–1981)
Wladyslaw Theodore Benda (Polish, 1873–1948)
Charles Buckles Falls (American, 1874-1974)
E Oliver (English, 20th Century)
John Sheridan (American, 1877 - 1948)
Reginald Mount (English, 1906–1979)
Harold Pym (English, active 1930-1970s)
Anonymous
John Gilroy (English, 1898 – 1985)
Maurice Louis Henri Neumont (French, 1868-1930)
William Allen Rogers (American, 1854-1931)
Hibberd Van Buren Kline (American, 1885–1957)
Jean Carlu (French, 1900-1997)
Julius Gipkens (German, 1883-1968)