Government ownership.
Series: University of Oklahoma bulletin. New ser. no.160. University extension ser. no. 47. Supplementary to no.21; University of Oklahoma bulletin -- new ser., no. 160. University extension series ; no. 47. Supplementary to no. 21.
Publisher: The University
Published: 1918
Place of publication: Norman, Okla
Number of pages: 48
Notes: Includes bibliographical references: p.42-48.

SHORT CIRCULATION RECORD.