Asa Gray Correspondence. 1841-1891 (inclusive); Senders N, 1841-1891Asa Gray, George V. (George Valentine) Nash, Hugh M. NeislerHäftad, 2021295 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. ParryHäftad, 2021180 kr
Thomas Potts James Letters to Asa Gray, 1855-1882 (inclusive)Thomas Potts James, Asa GrayInbunden, 2021431 kr
Musci and Hepaticae of the United States East of the Mississippi RiverWilliam Starling Sullivant, Asa Gray, George EngelmannHäftad, 2021193 kr
George Bentham Letters to Asa Gray, 1839-1883 (inclusive); Sender Bentham, GeorgeGeorge Bentham, Asa GrayHäftad, 2021385 kr
Thomas Potts James Letters to Asa Gray, 1855-1882 (inclusive)Thomas Potts James, Asa GrayHäftad, 2021311 kr
Elias Durand Letters to Asa Gray, 1846-1873 (inclusive); Sender Durand, EliasElias Durand, Asa GrayHäftad, 2021262 kr
Report of the Exploring Expedition to the Rocky Mountains in the Year 1842John Charles Fremont, James Hall, John TorreyHäftad, 2022372 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 TorreyInbunden, 2025415 kr
Catalogue of Plants Collected by the Expedition /by John Torrey.Howard Stansbury, John TorreyHäftad, 2021161 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 TorreyHäftad, 2012378 kr
Report of the Exploring Expedition to the Rocky Mountains in the Year 1842John Charles Fremont, James Hall, John TorreyInbunden, 2022482 kr