Sources of the variability in level of public library development in the United States
Subtitle: a comparative analysis
By: by Robert Virgil Williams.
Publisher: University Microfilms International
Published: 1978
Place of publication: Ann Arbor
Language: eng
Format: Microform
Subjects: Public libraries -- United States.
Notes: Thesis (Ph.D.)--University of Wisconsin, 1978.

Includes bibliography.