Seasonal variations in employment in manufacturing industries
Subtitle: a statistical study based on census data.
Series: Pennsylvania. University. Wharton School of Finance and Commerce. Industrial Research Dept. Research studies -- v. 14.; Research studies (Wharton School of Finance and Commerce. Industrial Research Dept.) -- v. 14.
Publisher: [University of Pennsylvania Press]
Published: 1931
Place of publication: Philadelphia
Language: eng
Number of pages: 197
Subjects: Manufactures -- United States -- Statistics.; Seasonal unemployment -- United States.
Genres: Statistics.
Notes: Thesis--University of Pennsylvania.

Bibliography: p. 191-192.