Q. How Can I Find the Full Title of a Journal When All I Have Is Its Abbreviation?

The _International Glossary of Abbreviations for Theology and Related Subjects_ cross references between journal abbreviations and the complete title.  Sometimes it's also possible to do an internet search for the abbreviation using Google or some other search engine.

Here is an ongoing wikipedia article that also lists journals in theology with their abbreviations: https://en.wikipedia.org/wiki/List_of_theology_journals