Letters of Asa Gray, edited by Jane Loring Gray ... .

2

Letters of Asa Gray, edited by Jane Loring Gray ... .

1

Darwiniana: essays and reviews pertaining to Darwinism. By Asa Gray ...

[1888 printing]

A flora of North America :containing abridged descriptions of all the known indigenous and naturalized plants growing north of Mexico, arranged according to the natural system /by John Torrey and Asa Gray.

v.2 (1841-1843)

Gray's Botanical text-book.

2

Gray's Botanical text-book.

1