FitzRalph Critical Edition Project – NUIM
http://philosophy.nuim.ie/projects-research/projects/richard-fitzralph/text
Summa in Questionibus Armenorum (Paris 1512)
http://daten.digitale-sammlungen.de/~db/0003/bsb00034856/images/index.html?seite=1&fip=193.174.98.30