|←Author Index: To||John Torrey
- A Flora of North America I & II. (1838–1843) with Asa Gray
Articles in The American Journal of Science
- "Plants of the North-West", in The American Journal of Science Series 1, Volume 4, (1882), No. 4, pp. 56-69.
Works about Torrey
- “Torrey, John”, in Encyclopædia Britannica, (11th ed.), 1911
- "The Late Professor John Torrey, M.D. LL.D.", in Popular Science Monthly Volume 3, September 1873