By Rawls, John.
New York : Columbia University Press, 1996 .
464 p. 0-231-05248-0

Place hold on Political liberalism/

By Highet, Gilbert.
New York : Columbia University Press .
138 p.

Place hold on Man´s unconquerable mind

By Boylan, Marguerite T..
New York : Columbia University Press .
363 p.

Place hold on Social welfare in catholic church: organization and planning through diocesan bureaus.

By National Conference of Social Work (72a. : 1945 : Estados Unidos).
New York: Columbia University Press .
407 p.

Place hold on Proceedings of the National Conference of Social Work: selected papers.