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(1931) The Polyporaceae of Iowa by Margaret M. Wolf, October 1931. Senate and Staff
(1931) Report on the Investigation of Pollution of the Cedar River from Waverly to Columbus Junction, 1926-1931, September 1931. Public Health, Department of (Health and Human Services, Department of)
(1931) Report on the investigation of pollution of the Cedar River from Waverly to Columbus Junction, 1926-1931. Public Health, Department of (Health and Human Services, Department of)
(1931) Fish and Game Laws 1931-1933, Iowa Fish and Game Commission, July 4, 1931. Natural Resources, Department of
(1931) Iowa Algea, Studies in Natural History, July 1, 1931. University of Iowa
(1931) Planning the Outdoor Swimming Pool. Iowa State University
(1931) Report on the Investigation of Pollution of the Des Moines River from Fort Dodge to Farmington, June, 1928-March, 1931. 1931. Public Health, Department of (Health and Human Services, Department of)
(1931) Surveying Records and the Public : and Other Papers Presented at the Second Surveyors Conference January 27-28, 1931, Ames, Iowa, February 18, 1931. Iowa State University
(1931) Inaugural Address of Dan W. Turner Governor of Iowa to the Forth Fourth General Assembly, January 15, 1931. Governor's Office
(1931) Report by the Governor of Iowa of Pardons, Suspensions and Commutations of Sentence and Remission of Fines January 1, 1929 to December 31, 1930. Governor's Office
(1931) Biennial Message of John Hammill Governor of Iowa to the Forty Fourth General Assembly in Joint Session, January 13, 1931. Governor's Office
(1931) Report of Director of the Budget, January 1, 1931. Governor's Office
(1931) Assessment of Real Estate in Iowa and Other Mid-Western States by Richard Ward Nelson, January 1931. University of Iowa
(1931) Administration of Iowa Parks, Lakes and Streams by the State Board of Conservation, 1931. Natural Resources, Department of
(1931) Botanical Papers II, 1931. University of Iowa
(1931) Botanical Papers, 1931. University of Iowa
(1931) Climatological Data, Iowa Section by U.S. Department of Agriculture, Weather Bureau, 1931. Agriculture and Land Stewardship
(1931) Condition of the State of Iowa, 1931 (44th General Assembly). Governor's Office
(1931) Courses of Study for High Schools-Latin, 1931. Education, Department of
(1931) Courses of Study for High Schools-Mathematics, 1931. Education, Department of
(1931) The Development of the Gonads in the Gold Fish, Carassius Auratus by Frank A. Stromsten, 1931. University of Iowa
(1931) Extension Service : Agriculture and Home Economics, 1931. Iowa State University Extension
(1931) Field Notes on Connecticut Birds by Clinton Mellen Jones, 1931. University of Iowa
(1931) Governor's Inaugural Address, 1931 (44th General Assembly). Governor's Office
(1931) Index for Senate and House Journals, 1931. Legislative Services Agency (Legislative Service Bureau)
(1931) Iowa Educational Directory, 1931. Education, Department of
(1931) Journal of the House of Representatives of the Forty-Fourth, 1931. House of Representatives and Staff
(1931) Journal of the Senate of the 44th General Assembly of the State of Iowa, 1931. Senate and Staff
(1931) The Mechanical Composition of Sediments in Graphic Form by Chester K. Wentworth, 1931. Senate and Staff
(1931) Miscellaneous Papers by Bohumil Shimek, Ph. D, 1931. University of Iowa
(1931) Pacific Island Sediments by C.K. Wentworth and H.S. Ladd, 1931. University of Iowa
(1931) Poems to memorize and books to read : graded lists,1931. Education, Department of
(1931) Questions Teachers ask about Reading and Study in Intermediate and Upper Grades prepared by Clara M. Wallace issued by the Department of Public Instruction, 1931. Education, Department of
(1931) Remedial Exercises for Reading and Study in High School Subjects, Prepared by Clara M. Wallace, Issued by the Department of public instruction, 1931. Education, Department of
(1931) Roster of State Officials, 1931. Computer Services Division (Legislative Computer Support Bureau)
(1931) State of Iowa Acts and Joint Resolutions (Session Law) The General Assembly, Extra Session, GA 43rd, 1931. Legislative Services Agency (Legislative Service Bureau)
(1931) State of Iowa Acts and Joint Resolutions (Session Law) The General Assembly, Extra Session, GA 44th, 1931. Legislative Services Agency (Legislative Service Bureau)
(1931) Valuation and Taxes: Table Showing the Amount of Taxes levied in each County of the State on Valuations as adjusted by Counties: Taxes are levied in 1930 to be collected during 1931, State Board of Assessment and Review. Governor's Office
(1931) Weeds and their Control by R. H. Porter., 1931. Iowa State University
