1. Arnold W (1935a) Investigations in Photosynthesis. Harvard University, PhD Thesis, Division of Biology, Harvard University, pp 1–58
2. Arnold W (1935b) Kinetics of photosynthesis in Chlorella. Cold Spring Harb Symp Quant Biol 3:124–127
3. Arnold W (1949) A calorimetric determination of the quantum yield in photosynthesis. In: Franck J, Loomis WE (eds) Photosynthesis in plants. The Iowa State Press, Ames, pp 273–276
4. Arnold W (1955) Light saturation of delayed light production in green plants. In: Johnson FH (ed) Luminescence of biological systems. American Association for the Advancement of Science, Washington, pp 47–50
5. Arnold W (1957) Decay of the delayed light in Chlorella. Presented at the Gatlinburg conference for research in photosynthesis, Wiley (Interscience), New York, pp 128–133