261
by Beebe, Steven A, 1950-
Published 2011
262
by Mohd Zaki Sarpan
Published 2016
263
by Yew, Kam Keong.
Published 2001
264
Published 2007
265
by Ayres, Ian, 1959-
Published 2010
266
by Parlindungan Marpaung.
Published 2009
267
by Carnegie, Dale, $d 1888-1955
Published 1997
268
269
270
271
by Mannoni, Octave
Published 1990
272
by Oppenheim, Felix E, 1913-
Published 1991
273
by Nierenberg, Gerard I.
Published 1968
274
by Denton, Derek A, 1924-
Published 1993
275
by Grant, Wendy
Published 1997
276
by Peale, Norman Vincent
Published 1992
277
Published 1973
278
by Iannone, A. Pablo
Published 1994
279
Published 1987
280
Published 2007