Free Bible Software with commentaries, etc.   http://www.e-sword.net/

Classic Bible Commentaries   http://eword.gospelcom.net/comments/

Audio Bible KJV   http://www.audio-bible.com/bible/bible.html 

Blue Letter Bible, bible search  http://www.blueletterbible.org/

Treasury of Scripture Knowledge  http://www.searchgodsword.org/com/tsk/ 

By Author:

Easton's Bible Dictionary with Strong's   http://eastonsbibledictionary.com/ 

Edersheim, The Life and Times of Jesus the Messiah  http://philologos.org/__eb-lat/

Edersheim, The Bible History, Old Testament  http://philologos.org/__eb-bhot/

Edersheim, Sketches of Jewish Social Life  http://philologos.org/__eb-sjsl/

Edersheim, The Temple, It's Ministry and Services   http://philologos.org/__eb-ttms/

Henry, Matthew  Commentary  http://www.ccel.org/ccel/henry/mhc.i.html

Hislop, The Two Babylons  http://philologos.org/__eb-ttb/

Hitchcock's Bible Names Dictionary  http://www.ccel.org/ccel/hitchcock/bible_names.txt

Josephus,Flavius Resources  http://www.ccel.org/ccel/josephus/works/files/works.html

Nave's Topical and Torrey's Topical Textbook   http://www.biblegateway.com/topical/

Smith's Bible Dictionary  http://www.ccel.org/ccel/smith_w/bibledict.toc.html

Webster's 1828 & 1913 Dictionary Search  http://machaut.uchicago.edu/websters