*Museums - Works by Nicolas Eekman can be seen :
Arhnem - Basel- Berlin - Brussels - Budapest - Chicago - Dordrecht - Dresden - Eindhoven - Essen - Glasgow - Hanover - Moscow - Mulheim - Munich - Prague etc.
- Museum of Modern Art, Paris, France.
- "Les Sourciers"-"Les Achats" 1939
- Museum of the Jeu de paume, Paris, France.
- "La Pelote bleue" 1937
- National Library, Paris, France.
- "Les Marchands ambulants" 1945 - "Le Marché" 1953 - "Les Souris 1960
- Print Cabinet, Bibliothèque nationale de France, Paris
- Museum of the Louvre, Paris, France.
- "Les Dindons"
- Museum of Fine Arts, Brussels, Belgium
- City Museum, Amsterdam, The Netherlands.
- Museum of Modern Art, Amsterdam, The Netherlands.
- Print Cabinet, Amsterdam, The Netherlands.
- "Les Moissonneurs"
- Boijmans Van Beuningen Museum, Rotterdam.
- Modern Museum, The Hague, The Netherlands.
- St. Anna's College, Oxford, United Kingdom
- " Sonneurs de cloches"
- Kröller-Müller Museum, The Hague, The Netherlands.
- Singer Museum, Laren, The Netherlands.
- Museum of Pittsburgh, United States.
- Army Museum, Moscow, Russia.
- Museum of the 1930's, Boulogne-Billancourt, France.
- Museum of Collioure, France.
- "Le Déchargeur"
- Museum of Menton, France.
- "L'Œuf brisé"
* List unaudited after the war 1939-1945