Ecology

Margaret Mahaney Talks About Turkeys

Young Folks' Nature Field Book

Proceedings of the fourth National Conservation Congress at Indianapolis, October 1–4, 1912

Karaway the Cockatoo and Other Nature Stories

The Tropical World

Street Trees

The Andes and the Amazon; Or, Across the Continent of South America

Afloat in the Forest; Or, A Voyage among the Tree-Tops

Speciation of the Wandering Shrew

Riverby

Bucolic Beatitudes

Peter Parley's Wonders of the Earth, Sea, and Sky

The Geography of New Jersey

Glaciers and Glaciation in Glacier National Park

Hope Farm Notes

Some Common Birds in Their Relation to Agriculture

Burton Island State Park: Guide to the Interpretive Nature Trail and Hiking Trail

The Italian Alp-bee

The new northland

An essay towards a natural history of serpents