1. The rôle of light in the life of plants;Burkholder;Bot. Rev.,1936
2. The photeolic movements of Mimosa pudica in relation to intensity and wave length;Burkholder;Amer. Jour. Bot.,1934
3. Wave lengths of radiation in the visible spectrum inhibiting the germination of light-sensitive lettuce seed;Flint;Smithsonian Misc. Collections,1935
4. The dependence of carbon dioxide assimilation in a higher plant on wave length of radiation;Hoover;Smithsonian Misc. Collections,1937