/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Klein%2C%20Armin%2C%22&sort_by=relevance&format=rss 2 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=35838 By Klein, Armin,.
Washington, Govt. print. off., 1926 .
vi, 33 p. , At head of title: U.S. Department of labor. James J. Davis, secretary. Children's bureau. Grace Abbott, chief. 24 cm..

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]]> /cgi-bin/koha/opac-detail.pl?biblionumber=35838 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=36011 By Klein, Armin,.
Washington, U.S. Govt. Print. Off., 1931 .
v, 45 p. , At head of title: United States. Department of Labor. W. N. Doak, secretary. Children's Bureau. Grace Abbott, chief. 23 cm..

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