Guide to the Bryophytes of Tropical America
A Checklist of the Mosses of the Tropical Andean Countries
The Mosses of Amazonian Ecuador
Churchill on Leadership
Mosses of the Great Plains
A revision of the moss genus Lepidopiium (Caiiicostaceae)
Bryophytes as Non - Woody Biodiversity Indicators
A Revision of the Moss Genus Lepidopilum (Callicostaceae)
A Bibliography of the Ecological and Taxonomic Literature of the Nebraska Vascular Plants
The Systematics and Biogeography of Scouleria Hook, (Musci, Scouleriaceae)
Winston Churchill--Architect of Peace
A Synopsis of the Kansas Mosses with Keys and Distribution Maps
The Churchill Myths
Mosses of the Great Plains VI
Winston Churchill
Familias y géneros de los musgos de los Andes tropicales
Power & Civilization