Buck’s Theological Dictionary still contains some interesting material, especially when it comes to Religious Sects.
Treasury of Scripture Knowledge is essentially a cross reference work, set up similar to a commentary (in a commentary format for theWord), and under each verse of the Bible, there are cross references (which theWord makes it very easy to mouse over the references and read them without having to click anything).
Thompson Chain Reference Bible Dictionary is a Bible Cross Reference work.
The original Torrey’s Topical Textbookd had on 628 entries and 20,000 Scripture Cross-References, the New Topical Textbook was published with 20,000 Topics and Sub-topics and 30,000 Bible References.
The ISBE is a classic Bible reference compiled from nearly 10,000 entries written by over 200 different Bible scholars and teachers. In addition to the encyclopedia articles, all of the major words of the Bible are represented and defined.