The system of animate nature; the Gifford lectures delivered in the University of St. Andrews in the years 1915 and 1916 Q Science
Uebersicht der gleicheckigen Polyeder und Hinweisung auf die Beziehungen dieser Körper zu den gleichflächigen Polyedern Q Science
Half-hours with the telescope; being a popular guide to the use of the telescope as a means of amusement and instruction Q Science
