The Present Position of Paleozoic Botany. An original article from the Report of the Smithsonian Institution, 1907.
Smithsonian Institution, 1907. First Edition. Disbound. 35 pages, with figures, 2 plates. Note; this is an original article separated from the volume, not a reprint or copy. Size: Octavo (24 x 16 cms). Quantity Available: 1. Category: Smithsonian Institution; Inventory No: 238919. More