Oxford reference (c2012-)
WorldCat local (2008)
Note: WORLDCAT is the OCLC Online Union Catalog in a user friendly version. It contains more than 32 million records of items owned by libraries around the world, as well as the Boston University Libraries. Every item in the catalog has a listing of libraries which own it. It contains records for books, journals, musical scores, computer programs and much more. (It does not include records for individual articles or stories in journals, magazines, newspapers or book chapters.) New records are added daily.