1. Conditions of Life in the Sea 1908
2. Clarke, G. L., Fifth Pacific Science Congress, Vancouver, B. C. A5: 2017 (1934).
3. Bigelow, H. B., Memoirs of the Museum of Comparative Zoology 54: 380 (1939).
4. The Elements of the Science of Nutrition 1928
5. Marr, J. W. S., Discovery Reports 18: 105 (1938).