MasterFILE Premier This link opens in a new windowMultidisciplinary database provides full text for more than 1,750 general reference publications with full text information dating as far back as 1975. Covering virtually every subject area of general interest, MasterFILE Premier also includes nearly 500 full text reference books, full text from 86,019 biographies, 105,787 full text primary source documents, and an Image Collection of 293,480 photos, maps and flags.