Litterae Caelestes is an international peer-reviewed journal of paleography, codicology, diplomatics, and the history of written records. It includes scholarly articles, brief communications, reviews of articles and books, and reports on work in progress. Each issue is richly illustrated and fully indexed.

One issue appears each year. The print version is produced in Italy. This digital version is produced in collaboration with the Center for Medieval and Renaissance Studies (CMRS) at UCLA.