This collection (1899-2001) contains many but not all publications distributed by the extension service in Iowa. It consists of special reports, bulletins, research bulletins, experiment station reports, annual reports, rural sociology reports, North central regional publications, miscellaneous reports and soil surveys for 21 counties in Iowa. In addition to the publications distributed by the extension service, there are approximately 12,000 articles that were submitted to journals for publication between 1966 and 2001 that are included herein. These publications were collected by the College of Agriculture and Life Science to document faculty work.