Title Year Technique Material Collection CID
Constant Nieuwenhuys-Het proces 19, 1978

Het proces 19

1978 Portfolio unique crayon, paper Private collection, NL 1162
Constant Nieuwenhuys-Tentoonstelling V2 Omgang-Bouwtekening blad 2, 1965

√2 Omgang-Bouwtekening blad 2

1965 Plan paper Collection Fondation Constant, NL 1623
Constant Nieuwenhuys-De poort van Constant, 1963

De Poort van Constant

1963 Construction concrete City Amsterdam, NL 1733
Constant Nieuwenhuys-06 Sans abri, 2000

Constant 1998 1999 2000-06 Sans abri

2000 Portfolio unique paper, pencil Collection Fondation Constant, NL 3303
Constant Nieuwenhuys-Herder, ca 1984

Herder

1984 Watercolour paper, watercolour Collection unknown 6014
Constant Nieuwenhuys-New Babylon 0, 1963

Portfolio NEW BABYLON 00

1963 Portfolio paper Collection Fondation Constant 840
Constant Nieuwenhuys-Labyrismen 4a, 1968

LABYRISMEN 04A

1968 Portfolio ink, paper Private collection 856
Constant Nieuwenhuys-Les visiteurs du vernissage 10, 1987

LES VISITEURS DU VERNISSAGE 10

1987 Portfolio ink, paper Collection Fondation Constant, NL 1053
Constant Nieuwenhuys-Sex Lieder cover, 1964

SEX LIEDER, pag 02

1964 Portfolio paper Collection Fondation Constant 1069
Constant Nieuwenhuys-Het proces 07a, 1978

Het proces 07a

1978 Portfolio unique ink, paper Private collection, NL 1147
Constant Nieuwenhuys-Het proces 20, 1978

Het proces 20

1978 Portfolio unique photo Private collection, NL 1163
Constant Nieuwenhuys-Tentoonstelling V2 Omgang-Bouwtekening blad 3, 1965

√2 Omgang-Bouwtekening blad 3

1965 Plan paper Collection Fondation Constant, NL 1624
Constant Nieuwenhuys-Fontein in Leiden, 1968

Fontein in Leiden

1968 Construction concrete City Leiden 1734