00807cam a22002291 4500 e 11001534 DLC 20260227111156.0 790327s1911 xx 000 0 eng c e 11001534 (OCoLC)4789659 U.S. Bur. of Education Libr. OCl DLC premarc GV171 .D28 Davis, Michael Marks, 1879-1971. The exploitation of pleasure; a study of commercial recreations in New York city, by Michael M. Davis, jr., PH.D. New York city, Dept. of child hygiene of the Russell Sage foundation [1911] 61 p. incl. tables. 23 cm. [Russell Sage foundation. Dept. of child hygiene. Pamphlets] no. 84 Cover-title. Amusements. 19222 19222