International encyclopedia of the social sciences /
edited by David L. Sills.
- New York : Macmillan and the free Press, c 1968.
- Vols. ; 29 cm.
V. 9- Lang to mark ;
63 63
Social science--encyclopedia.
Social process.
303 / I8
V. 9- Lang to mark ;
63 63
Social science--encyclopedia.
Social process.
303 / I8