WorldCat:  Libraries Worldwide (MSUB Access): Over 1 billion items in more than 57,000 libraries worldwide.

MT Library Network Catalog: Search within many library catalogs across the state of Montana.

Parmly Billings Library: Visit the Billings Public Library online catalog.

Books in Print: Offers complete, unbiased bibliographic information on over 5 million in-print, out-of-print, and forthcoming book, audio, and video titles.

netLibrary:  eBooks: Provides access to your library’s eContent collection of eBooks. You can access your library’s eContent 24 hours a days, seven days a week.