NOTE: Hundreds more articles may be available on St. Francis that are not full-text online, but available from our library or via Interlibrary loan. Simply use the online catalog as follows: If you are looking for books/articles written BY Assisi you should search our online catalog or databases for his name as an AUTHOR (Francis of Assisi, Saint, 1182-1226.). If you want to find resources ABOUT Francis or his theology, search for Subjects related to him ("Theology Middle Ages", for example).
Here's a link to Books on St. Francis and his theology available at Luther Sem; hundreds of others available by interlibrary loan in Minnesota.
Also consult the following databases for helpful articles or abstracts on Francis of Assisi (both JSTOR and Open Access Theological Library have hundreds of book chapters or articles on St. Francis.
Francis of Assisi in the Post-Reformation Digital Library
For digital resources, including rare manuscripts, on/of St. Francis see the Digital Vatican Library