• 15 Steenbock Library
• 3 Verona Shelving Facility
• 2 Science Libraries Shelving Facility

• 20 Journals, Magazines, Newspapers

• 3 Livestock
• 2 Agricultural extension work
• 2 Economic aspects
• 2 Research
• 1 Agricultural surveys
• 1 Almanacs, American
• 1 American literature
• 1 German Americans
• 1 History
• 1 Illustrated periodicals
• 1 Intellectual life
• 1 Landscape drawing, American
• 1 Nurseries (Horticulture)
• 1 Population
• 1 Produce trade
• 1 Seeds
• 1 Social life and customs
• 1 Sociology, Rural
• 1 Statistics

• 2 Pennsylvania Agricultural Statistics Service
• 2 Pennsylvania Crop Reporting Service
• 2 Pennsylvania State University. Agricultural Experiment Station
• 2 Pennsylvania State University. Agricultural Extension Service
• 2 Pennsylvania State University. College of Agriculture
• 2 Pennsylvania. Department of Agriculture
• 1 David Landreth & Sons
• 1 Müller, H. P.
• 1 Pennsylvania State College. Agricultural Experiment Station
• 1 Pennsylvania State College. Agricultural Extension Service
• 1 Pennsylvania State University. Cooperative Extension Service
• 1 Pennsylvania State University. Department of Agricultural Economics and Rural Sociology
• 1 Philadelphia Society for Promoting Agriculture
• 1 Rothacker, Wilhelm
• 1 United States. Department of Agriculture. Statistical Reporting Service

• 19 English
• 1 German

• 1 East (U.S.)
• 1 Ohio
• 1 Philadelphia
• 1 United States

• 3 Statistics
• 3 periodicals
• 2 Periodical
• 1 Agricultural periodicals
• 1 Catalogs
• 1 Early works to 1800
• 1 Ethnic periodicals
• 1 Political periodicals

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