Scientific papers of Asa Gray
- Boston Houghton, Mifflin 1889
- 2 v. (397 ; 503 p.) 23 cm.
Contenido: v.1. Reviews of works on botany and related subjects, 1834-1887 -- v.2. Essays; biographical sketches, 1841-1886 Donación: Dr. Cristóbal M. Hicken