00830cam a22002531 4500 275903 BD-DhUL 20161117190825.0 730102s1952 nyua 000 0 eng 52001138 DLC DLC DLC BD-DhUL BF717 .H3 136.7470 Hartley, Ruth E. (Ruth Edith), 1909- Understanding children's play, by Ruth E. Hartley, Lawrence K. Frank [and] Robert M. Goldenson. New York, Columbia University Press, 1952. 372 p. illus. 22 cm. Play Psychological aspects. Child psychology. Frank, Lawrence K. (Lawrence Kelso), 1890-1968. Goldenson, Robert. M. 7 cbc orignew u ocip 19 y-gencatlg ddc BK 125602 125602 0 0 ddc 0 136_747000000000000 0 NFIC 236573 DUL DUL GEN 2016-11-17 purchased 136.7470 393246 2016-11-17 2016-11-17 BK 0 0 ddc 0 136_747000000000000 0 NFIC 236574 DUL DUL GEN 2016-11-17 purchased 136.7470 393255 2016-11-17 2016-11-17 BK