List of subject headings.
2d ed.
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Contributions
- Library of Congress. Science and Technology Project. - Contributor
Publication
1950 - , Washington, District of Columbia
Language
English
Word Count
52,250 words, Guess
Page Count
209 pages
Identifiers
- Library of Congress Control Number50061483
- OCLC Control Number12799807
- Open LibraryOL6085653M
Classifications
- DDC025.33
- LCCZ695.1.S3 U65 1950
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