The latest ten books to be fully indexed on the project website are: Regiomontanus, Johannes: Kalendarium Venice:  Erhard Ratdolt, 9 Aug. 1482 Johannes de Sacro Bosco: Sphaera mundi Venice:  Erhard Ratdolt, 6 July 1482 Alchabitius: Libellus isagogicus Venice: Erhard Ratdolt,… Read More ›