This is a dictionary taken (with permission) from the website of CARM.ORG (Matt Slick). These are definitions of theological terms. Excellent!
Thompson Chain Reference Bible Dictionary is a Bible Cross Reference work.
Buck’s Theological Dictionary still contains some interesting material, especially when it comes to Religious Sects.
American Tract Society Bible Dictionary – Containing 2286 entries cross-referenced and cross-linked along with the images found in the original printed version. 1859
Mounce Concise Greek-English Dictionary of the New Testament
Illustrated Bible Dictionary or Easton’s Bible Dictionary, is a reference work on topics related to the Christian Bible compiled by Matthew George Easton.
encinardemamre.com Bible Characters Dictionary is a dictionary of Bible characters, which is only people. 1187 entries
Ridling Bible Atlas is a 197 topics (about 180+ maps) that deal with Bible events and people from the Old Testament through the post New Testament age.
This Darby Bible Dictionary has 8400+ entries. Written by Brethren author John Darby, it has the Brethren point of view.
Thomas Brooks Complete Works is a 6 volume work on the works of Thomas Brooks.