Description of two final projects for the degree in structural engineering at T.H. Delft. Designs by P.H. Tauber and E.E. Laddé for a student society at the Rapenburg in Leiden. This article is part of the theme issue on the occasion of the 12th lustrum of the Delftsch Bouwkundig Studentengezelschap Stylos. Illustrations: reproductions/ facade designs student-society at Leiden, arch. Tauber; reproductions/student-society at Leiden, arch. Ladd��; reproductions/plans student-society at Leiden, arch. Tauber; reproduction/sections student-society at Leiden, arch. Tauber; reproductions/plans student-society at Leiden, arch. Laddé; reproductions/ facade designs student-society at Leiden, arch. Laddé; reproductions/sections student-society in Leiden, arch. Laddé; reproductions/perspective drawings student-society at Leiden, arch. Laddé; reproduction/perspective drawing student-society at Leiden, arch. Tauber Design years: 1955 (before)