Descrizione anatomica degli organi della circolazione delle larve delle salamandre acquatiche Q Science
Das Werden der Organismen; zur Widerlegung von Darwin’s Zufallstheorie durch das Gesetz in der Entwicklung von Oscar Hertwig Q Science
Lessons on the human body. An elementary treatise upon physiology, hygiene, and the effects of stimulants and narcotics on the human system Q Science
A catalogue of 16,748 southern stars deduced by the United States Naval Observatory from the zone observations made at Santiago de Chile Q Science
