• 93 Wisconsin Historical Society Library
• 13 Memorial Library
• 6 Middleton Shelving Facility
• 4 Wendt Commons Library - Closed
• 3 Verona Shelving Facility
• 2 Geology and Geophysics Library (Leith)
• 2 WHS State Archives Preservation Facility
• 1 AOSS Library
• 1 Arboretum Research Library
• 1 Art Library (Kohler)
• 1 Map Library (Robinson)
• 1 Max Kade Institute for German-American Studies
• 1 Wisconsin's Water Library
• 1 Zoological Museum Research Library

• 407 Books
• 41 Journals, Magazines, Newspapers
• 34 Maps, Atlases
• 17 Microforms

• 45 Soils
• 32 Historic sites
• 31 Maps
• 30 History
• 27 Agriculture
• 24 Wetlands
• 22 Cooking, American
• 20 Conservation and restoration
• 20 Cooking
• 20 Forests and forestry
• 18 Historic buildings
• 18 Soil surveys
• 16 Hunting
• 12 Recreation areas
• 12 Wildlife refuges
• 11 Mennonite cooking
• 10 Environmental aspects
• 10 National parks and reserves
• 10 Planning
• 9 Forest reserves
• 9 Railroads
• 8 America's Industrial Heritage Project
• 8 Forest management
• 8 Lymantria dispar
• 8 Research

• 56 United States. National Park Service
• 53 Northeastern Forest Experiment Station (Radnor, Pa.)
• 46 United States. Soil Conservation Service
• 44 United States. Forest Service
• 33 U.S. Fish and Wildlife Service
• 28 United States
• 26 Pennsylvania State University. College of Agriculture
• 25 Pennsylvania. State Conservation Commission
• 23 National Wetlands Inventory (U.S.)
• 22 America's Industrial Heritage Project
• 11 United States. Department of the Interior. Southwestern Pennsylvania Heritage Preservation Commission
• 11 United States. National Park Service. Denver Service Center
• 9 Historic American Buildings Survey/Historic American Engineering Record
• 9 Marquis, David A
• 9 Pennsylvania. Department of Environmental Resources
• 8 Pennsylvania State University. Agricultural Experiment Station
• 7 Geological Survey (U.S.)
• 7 United States. Forest Service. Eastern Region
• 6 Pennsylvania. Department of Agriculture
• 5 Davidson, Walter H
• 5 Eckenrode, Joseph J
• 5 Pennsylvania Agricultural Statistics Service
• 4 Allegheny National Forest (Agency : U.S.)
• 4 Center for Rural Pennsylvania
• 4 Czapowskyj, Miroslaw M

• 481 English
• 1 German

• 20 Erie National Wildlife Refuge (Pa.)
• 20 Philadelphia
• 18 Erie National Wildlife Refuge
• 13 Allegheny National Forest
• 13 Allegheny National Forest (Pa.)
• 11 New Jersey
• 9 Delaware Water Gap National Recreation Area (N.J. and Pa.)
• 9 Ohio
• 8 New York (State)
• 8 Pittsburgh
• 8 West Virginia
• 7 United States
• 6 Maryland
• 4 Allegheny Portage Railroad National Historic Site (Pa.)
• 4 Crawford County
• 4 Fort Necessity National Battlefield (Pa.)
• 4 Gettysburg National Military Park (Pa.)
• 4 Johnstown (Cambria County)
• 4 Middle Delaware National Scenic and Recreational River (N.J. and Pa.)
• 4 Scranton
• 4 Steamtown National Historic Site (Scranton, Pa.)
• 3 Atlantic Coast (U.S.)
• 3 Butler County
• 3 Cambria County

• 28 Periodicals
• 21 Maps
• 18 Statistics
• 6 Guidebooks
• 5 Congresses
• 4 Handbooks, manuals, etc
• 4 Pictorial works
• 3 Biography
• 3 Classification
• 3 Cookbooks
• 3 Directories
• 3 Identification
• 3 Tourist maps
• 2 periodicals
• 1 Aerial views
• 1 Anecdotes
• 1 Biographies
• 1 Case studies
• 1 Catalogs
• 1 Catalogs and collections
• 1 Census, 1987
• 1 Cookbook
• 1 Exhibitions
• 1 Illustrated works
• 1 Periodical

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