Haskell Coffin (American, 1878 – 1941)
Julius Gipkens (German, 1883-1968)
George Hand Wright (American, 1872-1951)
John Gilroy (English, 1898 – 1985)
Dmitriĭ Stakhievich Moor (Russian, 1883-1946)
M. Waddell (American, 19th/20th Century)