1. Pseudonodulation of leguminous plants induced by 2-bromo-3,5-dichlorobenzoic acid;Allen;Amer. Jour. Bot.,1953
2. False nodulation on certain leguminous species;Allen;Proc. Hawaiian Acad. Sci., Bernice P. Bishop Museum Special Publication,1940
3. Morphogenesis of the leguminous root nodule. In Abnormal and pathological plant growth;Allen;Brookhaven Symposia in Biol.,1954
4. Histology of the root nodules on Cicer arietinum L;Arora;Phytomorphology,1956
5. Responses of pea roots to application of certain growth-regulating substances;Bond;Bot. Gaz.,1948