The Elements of Research (New York: Prentice-Hall, 1937), by Frederick Lamson Whitney (page images at HathiTrust)
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http://catalog.hathitrust.org/Record/005799150
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The Elements of Research (New York: Prentice-Hall, 1937), by Frederick Lamson Whitney (page images at HathiTrust)
New Online Books
http://catalog.hathitrust.org/Record/005799150