Book
Revision of the genus Pinus, and description of Pinus Elliottii. By Dr. George Engelmann.1880
Engelmann, George, 1809-1884.
Book
The botanical works of the late George Engelmann, collected for Henry Shaw, esq. Ed. by William Trelease and Asa Gray.1887
Engelmann, George, 1809-1884.
Book
Botanical contributions1834 – 1872
Gray, Asa, 1810-1888., Torrey, John, Engelmann, George, 1809-1884.