Mathematical problems on the first and second divisions of the schedule of subjects for the Cambridge mathematical tripos examination Q Science
Microscopical physiography of the rock-making minerals: an aid to the microscopical study of rocks Q Science
The determination of hydrogen ions; an elementary treatise on the hydrogen electrode, indicator and supplementary methods, with an indexed bibliography on applications Q Science
Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe Q Science
Nature et faune : revue internationale pour la conservation de la nature en Afrique = Wildlife and nature : international journal on nature conservation in Africa Q Science
