Columbia College (Columbia University). Office of Alumni Affairs and Development; Columbia College (Columbia University) (1989). Columbia College today. Columbia University Libraries. New York, N.Y. : Columbia College, Office of Alumni Affairs and Development.
Karl Popper and Konrad Lorenz, Die Zukunft ist offen: das Altenberger Gespräch, mit den Texten des Wiener Popper-Symposiums, ed. Franz Kreuzer (Munich: Piper, 1985). Reprinted by Chicago: Northwestern University, 2011.
ISBN978-3-492-00640-8
For an English-language discussion of the Vienna of Popper and Lorenz's early years, see Malachi Haim Hacohen, Karl Popper – The Formative Years, 1902–1945: Politics and Philosophy in Interwar Vienna (Cambridge University Press, 2002), 31–34.
ISBN978-0-521-89055-7Google books
Kalikow, T. J. (1983). "Konrad Lorenz's ethological theory: Explanation and ideology, 1938–1943". Journal of the History of Biology. 16 (1): 39–73. doi:10.1007/bf00186675. PMID11611248. S2CID26788185.
Kalikow, T. J. (1983). "Konrad Lorenz's ethological theory: Explanation and ideology, 1938–1943". Journal of the History of Biology. 16 (1): 39–73. doi:10.1007/bf00186675. PMID11611248. S2CID26788185.
Kalikow, T. J. (1983). "Konrad Lorenz's ethological theory: Explanation and ideology, 1938–1943". Journal of the History of Biology. 16 (1): 39–73. doi:10.1007/bf00186675. PMID11611248. S2CID26788185.
Allen, Colin (1997). Species of mind: the philosophy and biology of cognitive ethology. Cambridge, Mass: MIT Press. ISBN978-0-262-51108-7. OCLC42328566.