Constant’s personal library was documented in 2019-2020. The project was supported by Stichting Dioraphte, Gravin van Bylandt Stichting and Fundatie Van den Santheuvel, Sobbe.
Year Title Author(s) CID
Muzeum 4135
Catalogus moderne kunst Mariette Niermeyer 5988
Hazepaper Charlotte Mutsaers 6218
La Commune de Paris et la Démocratisation de l'… S. Froumov 6387