RARE 17th-century edition of various lectures by Jacobus Crucius (Jakob de Croque; Jacob de la Croix; ca.1540-1634/5), a professor at the Latin School in Delft. Most of the lectures are on pedagogic issues, as well as some literary criticism of the Classics. The book features a decoration on its title page, and further decoration at the beginning and end of some lectures. 130x75mm. 422 pages. Original white smooth-leather Hardcover. Cover slightly worn and stained. Cover edges and corners, and spine edges bumped. Spine wrinkled. Pen inscription on spine. Small pen inscriptions on title page and whitepage. Several pages slightly stained. Wormholes on pages 310-370 - slight damage to text. Pages yellowing. [SUMMARY]: This well-preserved 17th-century book of lectures in Latin is otherwise in good condition.