A lovely set of constellation prints.
The Works of John Gould
A fairly significant volume material, organized by collection.
1) A monograph of the Macropodidæ or family of kangaroos 1842
2) A Century of Birds from the Himalaya Mountains 1831
3) The Birds of Australia Supplement 1869
4) The Birds of Europe 1837 V1-V5
5) The Mammals of Australia 1863 V1-V3
John Gould is a perennial favorite here.