Trench's Classic work, Synonyms of the New Testament, is a study of Greek synonyms in the New Testament, showing their similarities and differences....
Green Greek English Lexicon...
This is an old dictionary of Christianity in which a lot of unused (in modern speech) terms are defined. Over 1500 entries....
This work has the first part of the nicene fathers (that of the earlier works)....
AF Bible Maps...
Hebrew/Greek Synonym Dictionary is a dictionary module showing the Hebrew to English or Greek to English root words....
Wuest Dictionary...
Heresies of the Church Thru the Ages...
Scofield Reference Index...
Anthology of Works by Andew Murray http://www.worldinvisible.com/library/bookcat.htm 01 Abide in Christ 02 The Spirit of Christ 03 Absolute Surrender 04 Humility 05 The Power of the Blood of Jesus 06 The Two Covenants 07 The Deeper Christian Life 08 The Lord’s Table 09 The True Vine 10 Thy Will Be Done 11 Like Christ 12 Working For God 13 The School of Obedience 14 Helps to Intercession 15 Divine Healing 16 The Secret Of The Cross...