The Anchor Bible Dictionary by 
Dictionary of the Bible by 
Eerdmans Dictionary of the Bible by 
New Dictionary of Biblical Theology by
This dictionary is a great place to begin your research in biblical theology. There are numerous articles on significant BT topics.
Encyclopedia of Christian Theology by
An encyclopedia that has pulled together a massive amount of discourse on Christian Doctrines and beliefs about God and Christianity's experience of God.
Global Dictionary of Theology by 
New Dictionary of Theology by 
Evangelical Dictionary of Theology by 
The Thiselton Companion to Christian Theology by 
The Oxford Companion to Christian Thought by 
The Oxford Dictionary of the Christian Church by 
Encyclopedia of Ancient Christianity by The Concise Dictionary of Early Christianity by 
The Concise Oxford Dictionary of the Christian Church by 
The Concise Dictionary of Christian Tradition by Anthropology A to Z by 
Encyclopedia of Social and Cultural Anthropology by Encyclopedia of Cultural Anthropology by 
A Dictionary of Sociology by 
