By Feldman, Kenneth A..
San Francisco Jossey-Bass 1969 .
2 v. 26 cm..
0875890369

[Chicago 1970 .
72 p. , Cover title.

By Hughes, Helen (MacGill).
Boston Allyn and Bacon, 1970 .
xii, 211 p. , Prepared by Sociological Resources for the Social Studies.

By Aguilera, Donna C..
St. Louis C.V. Mosby 1970 .
xiii, 132 p. , Includes indexes.

By Chekhov, Anton Pavlovich.
Spain Biblioteca Basica Salvat. 1970 .
170 p. , Translation from the Russian 19 cm..