From Planches anatomiques du corps humain[…] by Dr Francesco Antommarchi.
Found here.
The Count of Monte Cristo by Alexandre Dumas.Chechoslovak book cover design by Adolf Born. 
Found here.
brucesterling:

Could prove useful
Poster for Museum Rietberg Zürich (1952).
Design by Ernst Keller.
Found here.
Poster by Blexbolex.
Found here.
OUAF.
Monoprint by Yann Kebbi.
Found here.
Wildlife Under the Equator by Paul Du Chaillu (1869).
Found here.
Fox with Mask.
Engraving by Aegidii Albertini Hirnschleiffer (1645). Found here (via ulvehund).
mishymashy:

Beaver. This woodcut is an illustration from the book The history of four-footed beasts and serpents… by Edward Topsell, printed by E. Cotes for G. Sawbridge, T. Williams and T. Johnson in London in 1658. (via University of Houston Digital Library : Item Viewer)
Fit for Active Service (1918).
Drawing by George Grosz.
Found here.
Death and the Doctors (1924).
Woodcut by Hans Friedrich Grohs from Visions from the Soul (2003) published by New Orleans Museum of Art.Found here.
Lizistrata (Aristofan).
Record cover by Boris Bućan.

Found here.
Fighting Stallions (1534) by Hans Baldung.
Found here.