A text-book of mineralogy with an extended treatise on crystallography and physical mineralogy Q Science
The system of animate nature; the Gifford lectures delivered in the University of St. Andrews in the years 1915 and 1916 Q Science
Sylloge generum specierumque cryptogamarum, quas in variis operibus descriptas iconibusque illustratas Q Science
Tentamen hydrophytologiae danicae; continens omnia hydrophyta cryptogama Daniae, Holsatiae, Faeroae, Islandiae, Groenlandiae hucusqve cognita, systematice disposita, descripta et iconibus illustrata, adjectis simul speciebus norvegicis. Opus, praemio ab Universitate regia hafniensi ornatum, et sumtu regio editum Q Science
The temperature coefficient of the weight of a falling drop as a means of estimating the molecular weight and the critical temperature of a liquid .. Q Science