9 books
Sketch Of The Botany Of Dr. A. Wislizenus's Expedition ?missouri To Santa Fe, Chihuahua, Parras, Saltillo, Monterey And Matamoros
Synopsis of the Cactaceae of the Territory of the United States and Adjacent Regions /By George Engelmann. - Primary Source Edition
Plantae Lindheimerianae ?An Enumeration of F. Lindheimer's Collection of Texan Plants, with Remarks and Descriptions of New Species, Etc. /By George Engelmann, Asa Gray, J. W. Blankinship. Volume PT. 3 - Primary Source Edition
Plantae Lindheimerianae ?An Enumeration of F. Lindheimer's Collection of Texan Plants, with Remarks and Descriptions of New Species, Etc. /By George Engelmann, Asa Gray, J. W. Blankinship. Volume PT. 3
Campbell's New Atlas of Missouri ?with Descriptions Historical, Scientific, and Statistical /Maps Constructed and Drawn on the Polyconic Projection by R.A. Campbell
Paulus Roetter Sketchbook on Pines and Cactus
Synopsis of the Cactaceae of the Territory of the United States and Adjacent Regions /By George Engelmann.
Revision of the Genus Pinus, and Description of Pinus Elliottii.by Dr. George Engelmann.
On the Geology and Natural History of the Upper Missouri ?Being the Substance of a Report Made to Lieut. G.K. Warren, T.E. U.S.A. /By Dr. F.V. Hayden ...