1. Keimung und Schläuchwachstum des Gymnospermenpollens unter besonderer Berücksichtigung des Wuchsstoffproblems;Anhaeusser;Beitrage Biol. Pflanzen,1953
2. Review of commercial pollen storing, shipping and research;Antles;Ann. Rep. Vermont State Hort. Soc.,1951
3. Effect of boric acid sprays applied during bloom upon the set of pear fruits;Batjer;Proc. Amer. Soc. Hort. Sci.,1949
4. The physiology of pollen. I. The requirements for growth;Brink;Amer. Jour. Bot.,1924a
5. The physiology of pollen. II. Further considerations regarding the requirements for growth;Brink;Amer. Jour. Bot.,1924b