The Useful Plants of the World

The American Botanist: Volumes 21-24

Experimental General Science

The Fern-collector's Guide: Where to Find and how to Name the Ferns

The Ferns and Fern Allies of the Upper Susquehanna Valley

The Fern Allies of North America North of Mexico

Laboratory Botany for the High School

The Flora of the Upper Susquehanna and Its Tributaries

Agronomy: A Course in Practical Gardening for High Schools