Content analysis; a handbook with applications for the study of international crisis

North, Robert C., 1914-2002.
[Evanston] : Northwestern University Press, 1963.

Data processing; applications to political research.

Janda, Kenneth.
Evanston : Northwestern University Press, 1969.
2d ed.

Data processing: applications to political research.

Janda, Kenneth.
Evanston : Northwestern University Press, 1965.

Elite and specialized interviewing.

Dexter, Lewis Anthony.
Evanston, Ill. : Northwestern University Press, 1970.

Legislative roll-call analysis

Anderson, Lee F.
Evanston [ill.] : Northwestern University Press, 1966.

Survey research

Backstrom, Charles H., 1926-2008.
[Chicago] : Northwestern University Press, 1963.