
Georg Andreas Böckler (German, 1617 – 1687)

Johannes Josephus Aarts (Dutch, 1871-1934)

Will R. Barnes (American, ?-1939)

Joris Hoefnagel (Flemish, 1542-1600)

Merck (French, 20th Century)

Albert Ilg (Austrian, 1847-1896)

Charles Dana Gibson (American, 1867 - 1944)

Gesina ter Borch (Dutch, 1633 - 1690)

Frank Arthur Nankivell (Australian, 1869–1959)

Johannes Josephus Aarts (Dutch, 1871-1934)

Jean-Baptiste Muret (French, 1795-1866)

Fritz Schönpflug (Austrian, 1873-1951)

Leo Frobenius (German, 1873 – 1938)

Conrad Emanuel Steinbrecht (German, 1849–1923)

Flavius Vegetius Renatus (Italian, 4th century)

Louis Glackens (American, 1866-1933)

Nicolaes de Kemp (Dutch, 1574 – 1647)

Marion T. Ross (American, 1881-1937)

Felix Octavius Carr Darley (American, 1822 – 1888)

Léon Spilliaert (Belgian, 1881-1946)

Ernst Haeckel (German, 1834-1919)

Paul Cadorette (American, 20th Century)

Matthew Digby Wyatt (English, 1820-1877)

Udo Keppler (American, 1872 – 1956)

John Augustus Atkinson (English, 1775-1830)