1. Twelve elementary species of Onagra;Bartlett,1914
2. Der Zusammenbang zwischen den Cbromosomen und Mutationen bei Oenotbera Lamarckiana;Bartlett;Rec. Trav. Bot.,1925
3. Chromosome catenation in some F1 Oenotbera hybrids;Catcheside;Jour. of Genetics,1933
4. Origin, nature and breeding behaviour of Oenothera Lamarckiana trisomics;Catcheside;Jour. of Genetics,1936
5. The reduction divisions in the pollen mother cells of Oenothera franciscana;Cleland;Amer. Journ. Bot.,1922