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
2002 Atlántica Xosé Antón Castro , Juan Manuel Bonet, Xavier Seoane 5995
2002 Helder maar grijzer Gerrit Kouwenaar 4453
2002 Sotheby's Amsterdam | Newsletter September/October… 5916
2002 Sotheby's Amsterdam | Newsletter June/August 2002 5917
2002 Monsieur Barye Michel Poletti 5981
2002 Documenta 11 6083
2002 Ronald Tolman Wim van der Beek, Esther Jansma 6211
2001 Architectural Design 4079
2001 AA files 43 Architectural Association School of Architecture 4095
2001 Van Gogh Gauguin José van Gemert, Melchert Zwetsman 4960
2001 Jaarboek Gemeentemuseum Den Haag 1999-2000 Jonieke van Es, Magda Kyrova 5139
2001 Nic. Tummers | 1928 - Nic Tummers 7209
2001 Tàpies Jean Frémon, Pere Gimferrer, Georges Raillard 6165
2001 Lucebert Jens Christian Jensen 6248
2001 ChronoCobra Joseph Noiret 4000
2001 L'Oeil 530 Bruno Chabannes, ed. 4082
2001 Dossier de l'Art Jean Lorentz, Olivia Eller, Adalbert Mischlewski 5836
2001 Cobra Willemijn Stokvis 6519
2001 L'Oeil | Supplément gratuit: le guide de l'art 4083
2001 Gerrit Benner 6088
2001 Constant, New Babylon, una città nomade Francesco Careri 3684
2001 Tàpies Jean Frémon, Pierre Gimferrer, Georges Raillard 4898
2001 Sotheby's Amsterdam | November/December 2001 5923
2001 Constant Musée Picasso Antibes 4915
2001 Cézanne Steven Platzman 5179
2001 Pieter Bruegel the Elder Nadine Orenstein, Manfred Sellink, Jürgen Müller 5823
2001 Nouvelles de nulle part Joseph Abram, Chantal Béret, Philippe Duboy 4053
2001 Zurbarán Mariu Mariam 4765
2001 Sotheby's Amsterdam | June/August 2001 5925
2001 Heinrich Campendonk Franz Joseph van der Grinten, Ruvert Ophorst, Astrid Schunck 6059
2001 9, Rue d'Odessa Marcel Vleugels, Carl Henning Pedersen, Mischa de Vreede 6271
2001 Critique de l'image quotidienne Asger Jorn 3758
2001 Biografie van Constant Trudy van der Horst 4968
2001 Titian Filippo Pedrocco 5115
2001 Droit d'aubaine Jean-Clarence Lambert 5894
2001 Sotheby's Amsterdam | September/October 2001 5926
2001 Connexxion Connexxion 4817
2001 De beschilderde orgelluiken in Europa J.P. Félix, Ole Olesen, Isolde Lübbeke 5809
2001 Coeur ou abîme Jean-Clarence Lambert, Farid Belkahia 6173
2001 De Vlaamse Primitieven Jean-Claude Frère 6239
2001 Zurbarán Mariu Mariam 6257
2001 Ilja Repin Henk Os, Sjeng Scheijen 5069
2001 Goya Juliet Wilson-Bareau 5101
2001 Sotheby's Amsterdam | April/May 2001 5928
2001 Zubarán Miriam Mariu 6359
2001 De Wet Terwee Dr. Renée Kool, Prof. dr. Martin Moerings 7159
2001 Anton Heyboer Hans Sizoo, Anton Heyboer 6175
2001 Tajiri Arie Hartog , Kai Fischer 6275
2001 The Game of War Andrew Hussey 3589
2001 Whistler v. Ruskin Trudy van der Horst 4973