Le site anglais Latin Now propre deux ouvrages librement consultables en Open Access :
Manual of Roman Everyday Writing, Volume 1 (Alex Mullen, Alan Bowman):
https://latinnowepubs.github.io/ScriptsandTextsVol1/mobile/index.html
Manual of Roman Everyday Writing, Volume 2 (Anna Willi) :
https://latinnowepubs.github.io/WritingEquipmentVol2/mobile/index.html