6501. Play, dreams, and imitation in childhood Piaget, Jean, 1896-1980, Abingdon, Oxon ; Routledge, Taylor & Francis Group, 2013. SW322 SW527
6502. Human ecology: a theory of community structure Hawley, Amos Henry, New York : Ronald Press Co., [1950] HIST350
6503. From Max Weber: essays in sociology Weber, Max, 1864-1920. New York : Routledge, 2007, c1948. SOC205
6505. From Max Weber: essays in sociology Weber, Max, 1864-1920, [United States] : Legare Street Press, [2022?]. SOC205
6506. Mildred Pierce Cain, James M. (James Mallahan), 1892-1977. New York, N.Y. : Vintage Books, [2011], c1989. HIST198
6507. The Integration of the personality Jung, C. G. (Carl Gustav), 1875-1961. London : Routledge and Kegan Paul, 1940. CP504
6508. The general theory of employment, interest, and money Keynes, John Maynard, 1883-1946. Amherst, NY : Prometheus Books, 1997. ECON303