Publication

1912 - , New York City, New York (State)

Language

English

Word Count

3,000 words, Guess

Page Count

12 pages

Identifiers

Classifications

  • LCCLC4031 .A8

Subjects

Genres

  • Statistics

Series Statement

  • [Russell Sage foundation. Dept. of child hygiene. Pamphlets] -- no. 111

Other Editions

  • The money cost of repetition versus the money saving through acceleration1912-01-01

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