Library of Congress (LC) subject headings can help you search for library materials by a specific subject. The suggested subject headings are linked to ASU Library Catalog, but you may use them in other catalogs based on the LC system - such as OCLC FirstSearch WorldCat, which brings together thousands of library catalogs:
Search across a number of library catalogs in one interface:
OCLC FirstSearch WorldCat: Books and other materials in libraries worldwide. Materials owned by ASU Library are highlighted and linked.
World Digital Library: Primary source materials from around the world.
Center for Research Libraries (CRL): Global Resources Network: A collaborative initiative of CRL and higher academic research institutions to support international studies through the preservation and exchange of knowledge and source materials. ASU affilates can borrow materials.