Anonymous
Cecil Charles Windsor Aldin (English, 1870 – 1935)
Udo Keppler (American, 1872 – 1956)
Joseph Ferdinand Keppler (American, 1838 – 1894)
Pipein Gamba (Italian, 1868-1954)
Virginia Frances Sterrett (American, 1900-1931)
George Ashdown Audsley (Scottish, 1838-1925)
Peter Newell (American, 1862 – 1924)
Karel Klíč (Czech, 1841-1926)
Joris Hoefnagel (Flemish, 1542-1600)
Vernon Winslow (American, 20th Century)
Paul Louis de Giafferri (French, 20th Century)
George Barbier (French, 1882 - 1932)
Frank Arthur Nankivell (Australian, 1869–1959)
Jean Veber (French, 1864–1928)