Most journals end the volume or year with a listing of previous articles. Some journals are on-line and some have searchable abstracts. Here is a listing from Jim Boskey, The Alternative Newsletter, of the most important journals in the field. The Journal of Conflict Resolution, Sage Publications, P.O. Box 5084, Thousand Oaks, CA 91359-9924. You can also look for preliminary information about your topic in an annotated bibliography.
Every fourth edition is the annotated bibliography edition.
If you have narrowed your questions well, you will have some sense of the background of your question. You should know what the key sub-questions, issues, and concepts are, how this been researched before, which academic disciplines work on this question, and who the key scholars are. Now, it makes sense to go on the Internet. JDR has a web page which has abstracts of articles recently published in the journal and an index of every article published by the JDR since its inception. The Newsletter web site has book reviews and a bibliography from past issues of the Newsletter.