units of investigation in the social sciences.
Contributors: American Academy of Political and Social Science.
Series: Annals of the American Academy of Political and Social Science -- v. 5, no. 6
Publisher: American Academy of Political and Social Science
Published: 1895
Place of publication: [Philadelphia
Language: eng
Number of pages: 941
Subjects: Sociology.
Notes: Includes bibliographical references.

Reprint. N.Y. : Kraus Reprint, 1968.