This on-line ressource may be of interest to some of you: https://wiki.hiit.fi/display/stemmatology/Parvum+lexicon+stemmatologicum

The Parvum lexicon stemmatologicum (PLS) is a scholarly digital resource providing explanations for technical terms related to stemmatology, a discipline of classical and mediaeval philology aiming at understanding the historical evolution of textual traditions.

Remarks, corrections and suggestions can be sent to: stemmatolgy@gmail.com.

Caroline Macé & Philippe Roelli