Manual of the Mosses of North America

Manual of the Mosses of North America

Report On the Geology of Vermont: Descriptive, Theoretical, Economical, and Scenographical; Volume 2

Report On the Geology of Vermont: Descriptive, Theoretical, Economical, and Scenographical; Volume 2

Description of Coal Flora of the Carboniferous Formation in Pennsylvania and Throughout the United States: [Additions and Corrections of the First and Second Volumes With Plates Additional to Atlas

Description of Coal Flora of the Carboniferous Formation in Pennsylvania and Throughout the United States: [Additions and Corrections of the First and Second Volumes With Plates Additional to Atlas

Directions Pour L'exploitation Des Tourbières Dans La Principauté De Neuchâtel Et Valangin...

Directions Pour L'exploitation Des Tourbières Dans La Principauté De Neuchâtel Et Valangin...

Description of Coal Flora of the Carboniferous Formation in Pennsylvania and Throughout the United States, Volumes 1-2

Contributions To The Fossil Flora Of The Western Territories: The Cretaceous Flora, Volume 6, Part 1