Student boys Ode to the Stationsweg-46 building Ode to the Stationsweg-46 building Ode to the Stationsweg-46 building Wood from the Academy Building in Leiden The Opening of the Academic Year Hockeyjongens A friend of mine writes his name on the wall of th… Student almanacs A friend of mine received his master's degree toda… A professor with many honourary doctorates dies natalis of Leiden University Meeting room of Leiden Observatory Going-away reception at the University Library: fo… Going-away reception at the University Library: sp… Going-away reception at the University Library: dr… Leiden weer gezellig Roof ornament on the ground in the Hortus Botanicu… A friend of mine received a M. Phil. in one of the… Staircase, Rapenburg 67 The Opening of the Academic Year of Leiden Univers… The Opening of the Academic Year of Leiden Univers… Solving our archive space problem at work: floodin… The reception was held at our Botanical Garden The Leiden historical student fraternity "Robert F… The Leiden historical student fraternity "Robert F… The Leiden historical student fraternity "Robert F… The Leiden historical student fraternity "Robert F… The new office Old and new Memorial plaque for Kamerlingh Onnes 433rd dies natalis of Leiden University: professor… 433rd dies natalis of Leiden University: the proce… 433rd dies natalis of Leiden University: former Re… 433rd dies natalis of Leiden University: student 433rd dies natalis of Leiden University: retired p… 433rd dies natalis of Leiden University: student p… 433rd dies natalis of Leiden University: prof. Lou… 433rd dies natalis of Leiden University: the Beadl… Promotion to PhD at Leiden University Promotion to PhD at Leiden University Pater bridge and Observatory One of the oldest buildings of Leiden University A look around at the new office: old sign A look around at the new office: workman