A portrait of an old Javanese man oil on canvas, 89x59 cm

A young Balinese woman with a stylized head scarf oil on canvas, 53x39,5 cm

'Trommelslager' / An Indian drum player oil on canvas, 40x19 cm

A pregnant Balinese beauty etching, unframed, 29,5x21 cm

A Madras boy oil on canvas, 29,5x24,5 cm

'Village scene at Palembang' oil on canvas, 78x58,5 cm

Boats moored at a village edge oil on canvas, 48,5x68,5 cm

At the bird market oil on canvas, 58,5x48,5 cm

Figures near a village gate oil on canvas, 48,5x38,5 cm

A satay seller oil on canvas, 39x44 cm

A kampung house oil on canvas, 48,5x38,5 cm

Going to the temple and bathing in the river oil on canvas, 49x69 cm

A flamboyant tree on the waterfront oil on board, 58x72,5 cm

A river view with fishing boats and steamboats near a village oil on canvas, 60x95 cm

A figure walking along the kali in Java oil on canvas, 99x71 cm

Fishing boats oil on canvas, unframed, 80x60 cm

Fishing boats oil on canvas, 70x70 cm

A wajang doll oil on canvas, 57,5x27 cm

A busy pasar oil on board, 24x29 cm

Colourful parakeets acrylic on canvas, 69x54 cm

A kneeling Balinese lady with flowers oil on canvas, 124x88 cm

Three white tropical birds oil on canvas, mounted on board, 89x134 cm

-'In de Indische wereld, in een tempel op Bali', attached to 'De Amsterdammer', 14 October 1916, signed with initials 'W.O.J.N.' and dated 'Oct. 1916' (in the print lower right). -'Taj-Mahal Agra', attached to 'De Nieuwe Amsterdammer', 18 September 1915, annotaded and name 'steenteekening van W.O.J. Nieuwenkamp (in the print upper right). -'Barasinga hert', attached to 'De Nieuwe Amsterdammer', 24 June 1916, signed with monogram and dated '1916' (in the print lower right). lithograph (3), unframed, resp. 30,5x46 cm, 47,5x31,5 cm and 47x31 cm

A Javanese sawah landscape oil on board, 17x23 cm

Fishing boats oil on canvas, 60x43,5 cm

An ox cart passing a flamboyant oil on canvas, 28,5x39 cm

Laundry day under a flamboyant tree in a small river oil on canvas, 49x42 cm

A Javanese dancer batik print on cloth, 62x40 cm

A Javanese landscape with a white blossoming tree oil on board, 59,5x81 cm

A Balinese village scene oil/acrylic on canvas, 53x39 cm

Eating at a 'Warung kopi', East Java oil on canvas, 33x49,5 cm

Houseboats oil on canvas, 39,5x29 cm

Offering at a temple oil on canvas, 35x24 cm

Children in a horse-drawn carriage oil on canvas, unframed, 49x69 cm

A sawah landscape oil on cardboard, 19x29 cm

'Tjalon Arang met 2 leerlingen'/ Tjalong Arang with two pupils' watercolour on paper, unframed, 37x28 cm

A tropical forest oil on canvas, 33x42 cm

A portrait of a girl from Baturiti, Bali pencil on paper, 65x43 cm