1. The chromosomes and relationship of Crepis syriaca (Bornm.).;Cameron;Univ. Cal. Public. Agric. Sci.,1934
2. Viola canina L., a cytologically irregular species.;Clausen;Hereditas,1931
3. Remarks upon H. G. Bruun's paper on Viola canina L.;Clausen;Hereditas,1932
4. Morbid mitosis and the activity of inert chromosomes in Sorghum;Darlington;Proc. Roy. Soc. London, B.,1941
5. Zur Genetik und Systematik der Gattung Godetia;Hiorth;Zschr. f. ind. Abst.- u. Vererb.-lehre,1941