• 13 Wisconsin Historical Society Library
• 6 Steenbock Library

• 15 Journals, Magazines, Newspapers
• 13 Books

• 15 Agricultural experiment stations
• 4 Alaska Agricultural Experiment Stations (U.S.)
• 4 United States. Office of Experiment Stations
• 1 Association of American Agricultural Colleges and Experiment Stations. Committee on Methods of Teaching Agriculture
• 1 Hawaii Agricultural Experiment Station
• 1 Porto Rico Agricultural Experiment Station
• 1 Study and teaching

• 4 Alaska Agricultural Experiment Stations (U.S.)
• 1 Association of American Agricultural Colleges and Experiment Stations. Annual Convention
• 1 Association of American Agricultural Colleges and Experiment Stations. Committee on Methods of Teaching Agriculture
• 1 Hawaii Agricultural Experiment Station
• 1 Porto Rico Agricultural Experiment Station
• 1 United States. Agricultural Research Service
• 1 United States. Department of Agriculture. States Relations Service
• 1 United States. Office of Extension Work in the North and West
• 1 United States. Office of Extension Work in the South

• 28 English

• 8 United States
• 4 Alaska
• 1 Hawaii
• 1 Puerto Rico

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