The Breath of Life

Wake-Robin: A Collection of Essays About the Birds

Time and Change

Birds and Bees: Sharp Eyes and Other Papers

A Year in the Fields

Pepacton

The Last Harvest

Camping & Tramping with Roosevelt

The Breath of Life

Birds And Poets - With Other Papers

Camping with President Roosevelt

Riverby

Camping with President Roosevelt

Wake-Robin

Birds and Poets

Camping and Tramping with Roosevelt

John James Audubon

The Wit of a Duck and Other Papers

Whitman: A Study

Fresh Fields