Huygens in Leiden: the house rules of landlord Paravicino Constantijn Huygens received the regulations in a letter dated 26 May 1645. Were they disputed by his sons Constantijn Jr and Christiaan, who were students in Leiden and rented rooms at Paravicino’s? André Bouwman • May 23, 2013
425 years Leiden University Library: from Vaulted Room to ‘the cloud’ On October 31, 1587 Leiden university created its first library room, in the Academy Building at Rapenburg. André Bouwman • October 31, 2012
A Picture of a 1721 PhD Ceremony at Leiden University More than 27,000 theses were defended at Leiden University Guest author • January 27, 2012
The oldest printed curriculum of Leiden University (1592) The aim of this lectures timetable was to discourage the absence of professors and students and to make a good impression on the world with the Leiden scholarship. Guest author • March 24, 2009