Popular lectures on science and art; delivered in the principal cities and towns of the United States Q Science
Outlines of entomology. Prepared for the use of farmers and horticulturists. At the request of the secretary of the State Board of Agriculture and the State Horticultural Society of Missouri Q Science
The genesis of nature considered in the light of Mr. Spencer’s philosophy, as based upon the persistence of energy Q Science
Die Pflanzen im alten Aegypten: ihre heimat, geschïchte, kultur und ihre mannigfache verwendung im sozialen leben in kultus sitten, gebräuchen, medizin, kunst Q Science
