The Library of the Faculty of Architecture in the University of Technology at Delft includes two important private collections. The Peters Collection comprises material formerly owned by the Gothic Revival architect Cornelis Hendrick Peters and includes architectural and topographical drawings and prints as well as books. The Leliman Library comprises the library of the Classical architect J.H. Leliman, augmented by his son, Johannes Hendrik Willem Leliman, himself an architect who specialized in housing, an associate of the garden city movement and advocate for the preservation of old buildings.