| Worldwide | 
    
        | FI | Helsinki | Helsinki City Library | 
            
            
            
 
 
 | 
    
        | UK | Kent | Kent County Council | 
    
        | AU | Canberra | National Library of Australia | 
        | CN | Kunshan | Duke Kunshan Library | 
        | USA | AL | Auburn
University Libraries | 
        | AZ | Pima
County Public Library | 
        | Northern Arizona University Cline Library | 
    
        | CA | Humboldt
State Uiversity Library | 
    
        | Lake Tahoe Community College Library | 
    
        | San
Francisco State University. J. Paul Leonard Librray | 
    
        | University of California, Irvine Libraries | 
    
        | DC | Library
of Congress. American Folklife Center | 
    
        | Library of Congress. Preservation Directorate | 
    
        | FL | Jacksonville Public Library | 
    
        | Nova Southeastern University. Alvin Sherman Library | 
        | IA | Cedar
Falls Public Library. Ask a Librarian | 
        | State
Library of Iowa. Law Library | 
        | State
Library of Iowa - Medical & Health Sciences | 
        | State
Library of Iowa - Public Policy & Management | 
        | ID | University of Idaho Library | 
    
        | IL | Skokie
Public Library | 
        | Westmont Public Library | 
        | Government Information Online. Ask A Librarian | 
    
        | IN | Marion County Law Library | 
    
        | Indiana State Library | 
    
        | MA | Westfield
State College. Ely Library | 
    
        | Harvard University. John F. Kennedy School of Government Library | 
    
        | The State Library of Massachusetts | 
    
        | MD | NASA Goddard Space Flight Center. The Goddard Library | 
        | MI | Davenport
College. Holland Campus Library | 
        | Internet
Public Library. Ask-A-Question Service | 
    
        | Munson Community Health Library | 
    
        | Detroit Public Library Ask-A-Librarian | 
    
        | NC | North
Carolina State University Libraries | 
        | NH | Dartmouth
College Library | 
        | NY | Cornell
University. Olin Kroch Uris Libraries | 
        | Cornell
University Library. Reference Divisions | 
        | New York Public Library. Humanities & Social Sciences Library | 
        | New York Public Library. Science, Industry & Business Library | 
        | OH | Ohio University Libraries E-Mail a Librarian | 
    
        | OR | University
of Oregon Libraries | 
        | Oregon State University Libraries | 
    
        | PA | College
of Physicians of Philadelphia. Modern Library | 
    
        | Marple Public Library | 
    
        | New Alexandria Public Library | 
    
        | SC | York Technical College Anne Springs Close
      Library | 
    
        | TN | University
of Tennessee Knoxville. Hodges Library | 
        | TX | University
of North Texas Libraries. Ask a Librarian | 
        | University
of North Texas Libraries. Government Documents Department | 
        | Austin Public Library | 
        | Houston
Public Library | 
        | Harris County Public Library, Houston | 
    
        | Sam
Houston State University. Newton Gresham Library | 
    
        | VT | St. Johnsbury Athenaeum Library | 
    
        | WA | Orcas Island Library | 
    
        | Washington
State University. Veterinary Medical/Pharmacy Library | 
    
        | Washington State Library | 
    
        | Seattle Public Library | 
    
        | WI | Milwaukee Public Library | 
    
        | L.E. Phillips Memorial Public Library, Eau Claire | 
    
        | State
Historical Society of Wisconsin. Archives Division. Visual Materials Archives | 
    
        | University of Wisconsin La Crosse. Murphy Library | 
        | University
of Wisconsin. Madison. Water Resources Center Library |