Matches in Library of Congress for { <http://lccn.loc.gov/51014137> ?p ?o. }
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- 51014137 alternative "Personal efficiency.".
- 51014137 contributor B1210550.
- 51014137 created "[1952]".
- 51014137 date "1952".
- 51014137 date "[1952]".
- 51014137 dateCopyrighted "[1952]".
- 51014137 extent "294 p.".
- 51014137 issued "1952".
- 51014137 issued "[1952]".
- 51014137 language "eng".
- 51014137 publisher "New York, Harper".
- 51014137 subject "150.13".
- 51014137 subject "BF636 .L25 1952".
- 51014137 subject "Psychology, Applied".
- 51014137 title "Increasing personal efficiency; the psychology of personal progress.".
- 51014137 type "text".