1. Hutchinson, G. E. 1957.“A Treatise on Limnology”, Geography, Physics and Chemistry Vol. 1, 1015New York: Wiley.
2. _____. 1959.“A limnological study of some New Zealand Lakes”, 95University of Otago Library. unpublished 18 figs, separate Appendix of 81 un‐numbered pages. (with Appendix). Unpublished Ph.D. Thesis
3. The comparative limnology of some New Zealand lakes