Asa Gray Correspondence. 1841-1891 (inclusive); Senders N, 1841-1891Asa Gray, George V. (George Valentine) Nash, Hugh M. NeislerHäftad297 kr
Physiographical Sketch of That Portion of the Rocky Mountain Range ?at the Head Waters of South Clear Creek and East of Middle Park? With an Enumeration of the Plants Collected in This District in the Summer Months of 1861 /by C.C. Parry.Asa Gray, C. C. ParryHäftad182 kr
Thomas Potts James Letters to Asa Gray, 1855-1882 (inclusive)Thomas Potts James, Asa GrayInbunden437 kr
Musci and Hepaticae of the United States East of the Mississippi RiverWilliam Starling Sullivant, Asa Gray, George EngelmannHäftad196 kr
George Bentham Letters to Asa Gray, 1839-1883 (inclusive); Sender Bentham, GeorgeGeorge Bentham, Asa GrayHäftad390 kr
Thomas Potts James Letters to Asa Gray, 1855-1882 (inclusive)Thomas Potts James, Asa GrayHäftad312 kr
Elias Durand Letters to Asa Gray, 1846-1873 (inclusive); Sender Durand, EliasElias Durand, Asa GrayHäftad266 kr
Report of the Exploring Expedition to the Rocky Mountains in the Year 1842John Charles Fremont, James Hall, John TorreyHäftad377 kr
Compendium of the Flora of the Northern and Middle States, Containing Generic and Specific Descriptions of all the Plants, Exclusive of the Cryptogamia, Hitherto Found in the United States, North of the PotomacJohn TorreyInbunden421 kr
Catalogue of Plants Collected by the Expedition /by John Torrey.Howard Stansbury, John TorreyHäftad163 kr
A Compendium of the Flora of the Northern and Middle States: Containing Generic and Specific Descriptions of All the Plants, Exclusive of the CryptogaJohn TorreyHäftad386 kr
Report of the Exploring Expedition to the Rocky Mountains in the Year 1842John Charles Fremont, James Hall, John TorreyInbunden489 kr
Report On an Exploration of the Country Lying Between the Missouri River and the Rocky MountainsJohn Charles Fremont, John Torrey, United States Army Corps Of EngineersInbunden389 kr