Mindeskrift i anledning af hundredaaret for Japetus Steenstrups fodsel udg. af en kreds af naturforskere ved Hector F.E. Jungersen og Eug. Warming. Udgivelsen bekostet af Carlsbergfondet Q Science
The inequalities in the motion of the moon due to the direct action of the planets. An essay which obtained the Adams prize in the University of Cambridge for the year 1907 Q Science
Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany Q Science
Stars and telescopes; a hand-book of popular astronomy, founded on the 9th ed. of Lynn’s Celestial motions Q Science
Synoptical flora of North America: the Gamopetalæ, being a second edition of vol. I, part II, and vol. II, part I, collected Q Science
Pathogenic microörganisms; a practical manual for students, physicians, and health officers Q Science
