Our changing occupations
Subtitle: a statistical survey comparing the United States, Pennsylvania, and Pittsburgh
By: by John D. Beatty and Herbert L. Grau.
Contributors: Grau, Herbert L., joint author.; Pittsburgh Personnel Association.
Publisher: Pittsburgh personnel association
Published: 1933
Place of publication: [Pittsburgh]
Language: eng
Number of pages: 26
Subjects: Occupations -- United States.; Occupations -- Pennsylvania.; Occupations -- Pennsylvania -- Pittsburgh.