Determining the fusain content of Illinois coals; a comparison of chemical and petrographic methods Q Science
Die wirtswechselnden Rostpilze : Versuch einer Gesamtdarstellung ihrer biologischen Verhältnisse Q Science
Repertorium der literarischen arbeiten aus dem gebiete der reinen und angewandten mathematik. “Originalberichte der verfasser,” gesammelt und hrsg Q Science
Trees of the northern United States: their study, description and determination, for the use of schools and private students Q Science
Trees, shrubs and vines of the northeastern United States : their characteristic landscape features fully described for identification by the non-botanical reader ; together with an account of the principal foreign hardy trees, shrubs and vines cultivated in our country, and found in Central Park, New York City Q Science
