/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Hoffman%2C%20Frederick%20L.%22&sort_by=relevance&format=rss 5 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=35464 By Hoffman, Frederick L..
Washington, Govt. Print. Off., 1912 .
183 p. , At head of title: Department of Commerce and Labor. Bureau of Labor. Chas. P. Neill, Commissioner. 24 cm..

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]]> /cgi-bin/koha/opac-detail.pl?biblionumber=35464 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=35648 By Hoffman, Frederick L..
Washington, Govt. print. off., 1922 .
vi, 178 p. , At head of title: U.S. Department of labor, James J. Davis, secretary. Bureau of labor statistics, Ethelbert Stewart, commissioner. | Issued also as House doc. 275, 67th Cong., 2d sess. | Previous investigations into the dust hazard of certain trades issued as Bulletins nos. 79, 82, and 231 of the U.S. Bureau of labor statistics. 23 cm..

]]> Place hold on The problem of dust phthisis in the granite-stone industry,

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=35648 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=35854 By Hoffman, Frederick L..
Washington, Govt. print. off., 1927 .
iii, 45 p. , At head of title: U.S. Department of labor. James J. Davis, secretary. Bureau of labor statistics. Ethelbert Stewart, commissioner. | Issued also as House doc. 489, 69th Cong., 2d sess. 23 cm..

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]]> /cgi-bin/koha/opac-detail.pl?biblionumber=35854 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=35859 By Hoffman, Frederick L..
Washington, Govt. print. off., 1927 .
v, 149 p. , At head of title: U. S. Department of labor. James J. Davis, secretary. Bureau of labor statistics. Ethelbert Stewart, commissioner. | Also issued as House doc. 490, 69th Cong., 2d sess. | A study undertaken under the auspices of the International joint conference council of the commercial and periodical branch of the printing industry, through several employers' associations and trade unions, in cooperation with the United States Bureau of labor statistics. 23 cm..

]]> Place hold on Health survey of the printing trades, 1922 to 1925,

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=35859 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=35950 By Hoffman, Frederick L..
Washington, U.S. Govt. print. off., 1929 .
iii, 37 p. , At head of title: U. S. Department of labor. James J. Davis, secretary. Bureau of labor statistics. Ethelbert Stewart, commissioner. | Issued also as House doc. 544, 70th Cong., 2d sess. 23 cm..

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