RT Article T1 Medulla Gebrica, Extracta Ex Libro Summæ Perfectionis Geberi, Summi Philosophi Chymici JF Decas quaestionum physico-chymicarum selectiorum & graviorum ... de metallis IS 1 A1 Gerhard, Johann 1598-1658 LA Latin YR 1643 UL https://ixtheo.de/Record/355677334