Beautiful birds: their natural history; including an account of their structure, habits, nidification, etc., etc. Q Science
The Iowan drift; a review of the evidences of the Iowan stage of glaciation; a co-operative study for the U.S. Geological survey and the Iowa Geological survey Q Science
Chemistry: general, medical, and pharmaceutical, including the chemistry of the U. S. pharmacopoeia. A manual on the general principles of the science, and their applications in medicine and pharmacy Q Science
Orchidaceæ: illustrations and studies of the family orchidaceæ, issuing from the Ames botanical laboratory Q Science