Thesaurus Linguae Graecae This link opens in a new window
The major resource for searching and analyzing Greek texts of the classical, patristic, and medieval eras, searchable title include Septuaginta (A. Rahlfs, 9th edn. Stuttgart: Wrttemberg Bible Society, 1935) and Novum Testamentum (K. Aland, M. Black, C.M. Martini, B.M. Metzger, and A. Wikgren, The Greek New Testament, 2nd edn. Stuttgart: Wrttemberg Bible Society, 1968).
Note: You must Register for a personal account using your Boston College email address.