Regional

A Natural State

The flowering plants of South Africa; vol. 4

The Peak District

The Cast Iron Forest

Hertfordshire

The Wizard of Flanders Moss

The Wild Flowers of California: Their Names, Haunts, and Habits

Forest Trees of Texas: How to Know Them

Trees of Indiana First Revised Edition (Publication No. 13, Department of Conservation, State of Indiana)

West-Running Brook

Minnesota; Its Character and Climate

California Romantic and Resourceful

The Heart of England

A Month in Yorkshire

Cornwall's Wonderland

Beautiful Lakeland

A Northern Countryside

The South Country

Cave Regions of the Ozarks and Black Hills

Starved Rock