Based on a study supported in part by the Association for the Aid of Crippled Children, the Carnegie Corporation, the Commonwealth Fund, the Josiah Macy Foundation, and the Rockefeller Foundation. Bibliography: pages 156-170.
OCLC:
(OCoLC)14427744
Locations:
OVUX522 -- University of Iowa Libraries (Iowa City)
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.