Mathematics & AstronomyOur changing occupations; a statistical survey comparing the United States, Pennsylvania, and PittsburghJohn D Beatty![Our changing occupations; a statistical survey comparing the United States, Pennsylvania, and Pittsburgh]()
Our changing occupations; a statistical survey comparing the United States, Pennsylvania, and Pittsburgh
John D Beatty
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“Our changing occupations; a statistical survey comparing the United States, Pennsylvania, and Pittsburgh” by John D Beatty: a public-domain book in…
Catalogue details
- Author
- John D Beatty
- Category
- Mathematics & Astronomy
- Language
- English
- Source
- HathiTrust