• 3 WHS State Archives Preservation Facility
• 2 Steenbock Library
• 2 Verona Shelving Facility
• 1 Memorial Library
• 1 UW Archives

• 1 Books

• 8 DVDs

• 8 Agriculture
• 8 Corn as food
• 8 Farms
• 7 Processing
• 6 Corn industry
• 6 Corn products industry
• 4 Corn as feed
• 3 Environmental aspects
• 3 Fertilizers
• 3 Herbicides
• 3 Pollution
• 3 Water
• 2 Agricultural pollution
• 2 Effect of water pollution on
• 2 Food
• 2 Genetically modified foods
• 2 Groundwater
• 2 Religious aspects
• 2 Social life and customs
• 1 Alcohol as fuel
• 1 Ammonia as fertilizer
• 1 Animal Feed
• 1 Biotechnology
• 1 Competitions

• 6 Cheney, Ian
• 6 Ellis, Curt
• 6 Independent Television Service
• 6 Mosaic Films
• 6 Woolf, Aaron
• 3 Bullfrog Films
• 3 New Video Group
• 2 Balcony Releasing
• 2 Docurama (Firm)
• 2 Miller, Jeffrey K
• 2 Miller, Jeffrey K.
• 2 Wicked Delicate Films
• 2 WoWz (Musical group)
• 1 Actuality Productions
• 1 Anchor Bay Entertainment, Inc
• 1 Angeles Entertainment Group
• 1 Argos Films
• 1 Armstrong, R. G. (Robert Golden), 1917-2012
• 1 Arts and Entertainment Network
• 1 Bloomberg News (Firm)
• 1 Borchers, Donald P
• 1 Brooks, Charlie
• 1 CBS Inc.
• 1 CBS News Productions
• 1 Camou Guerrero, Teresa, 1977-

• 18 English
• 3 Spanish
• 1 Otomian languages
• 1 Undetermined

• 6 Iowa
• 6 United States
• 5 Butler County
• 3 Mexico
• 2 Mexico, Gulf of
• 2 Wisconsin
• 1 Greene
• 1 Greene (Iowa)
• 1 Guanajuato (State)
• 1 Illinois
• 1 Nebraska
• 1 North America
• 1 Parícutin (Mexico)
• 1 Richland Center
• 1 Spring Grove

• 7 Documentary films
• 5 Nonfiction films
• 4 Feature films
• 3 Television news programs
• 3 Video recordings for the hearing impaired
• 2 Short
• 1 Amateur
• 1 Documentary film
• 1 Documentary television programs
• 1 Drama
• 1 Educational films
• 1 Horror films
• 1 Industrial
• 1 Internet videos
• 1 Motion pictures (visual works)
• 1 Short films
• 1 Sponsored

Limit year range