00946cam a22002531 4500 e 11001820 DLC 20260227111156.0 930520r1910uuuunyu 000 0 eng c e 11001820 (OCoLC)28139718 U.S. Bur. of Education Libr. CU DLC premarc GV341 .G9 Gulick, Luther Halsey, 1865-1918. Exercise and rest, by Luther H. Gulick ... New York city, Dept. of child hygiene of the Russell Sage Foundation [1910] 1 p. l., 7 p. 23 cm. [Russell Sage Foundation. Dept. of child hygiene. Pamphlets] no. 76 "Address delivered at the Academy of medicine, New York, 1910." "Reprinted from the North American review, October, 1910." Exercise. [Russell Sage Foundation. Department of child hygiene. Pamphlets] no. 76. 19237 19237