By Schaffer, H. Rudolph..
Cambridge, Mass. Harvard University Press 1977 .
120 p. , Includes index. 21 cm..
0674587456. | 0674587464

By Schaffer, H. Rudolph..
Madrid : Artigrafía, 1979 .
235 p. , Translation of: The growth of sociability.

By Schaffer, H. Rudolph..
México Siglo Veintiuno Editores 2000 .
534 p. 26 cm..
9682322243

By Schaffer, H. Rudolph..
Madrid Ediciones Morata 1998 .
127 p. 23 cm..
8471121212