I just added this list to my latest book in the Easily Understanding Scriptures series. I thought it might be helpful to you. Books Vine’s Expository Dictionary Strong’s Concordance Manners & Customs of the Bible Bible Dictionaries Dictionary & Thesaurus Websites Bible versions: biblegateway.com Strong’s and lexicons: http://www.eliyah.com/lexicon.html Strong’s and lexicons: http://www.searchgodsword.org/lex/grk Maps and much more: http://www.ebibleteacher.com Roman history: http://www.unrv.com/ Of course there are many more. Please share the best one you know.