RT Article T1 Alexander's Commentary on the Rule in Relation to the Summa Halensis JF The Summa Halensis SP 251 OP 266 A1 Schumacher, Lydia ca. 20./21. Jh. LA English YR 2020 UL https://ixtheo.de/Record/1760788732 SN 9783110684926 SN 3110684926