collection

Summer in Belmont State Park, New York, watercolour on paper 57.0 x 78.0 cm, signed l.r. and dated '60

Fly agarics, watercolour on paper 35.8 x 59.2 cm, signed l.r. and dated 1923, without frame

A moment's rest, chalk, ink and gouache on paper 30.0 x 31.0 cm, signed l.r. and dated München '10

View over rooftops, watercolour on paper 32.2 x 57.5 cm, signed l.r. with initials

Prothea, ecolyn on paper 51.2 x 73.2 cm, signed l.r.

Hotel Jan Tabak in Bussum, chalk on paper 32.0 x 51.5 cm, signed l.r. and dated '37

Composition with figures, coloured chalk on paper 22.0 x 29.0 cm

An academy study, charcoal and chalk on paper 33.6 x 11.1 cm, signed l.l. with initials

A still life with flowers, a vase and a lemon, gouache on paper 40.0 x 28.2 cm, signed l.r.

Grazing cattle along the river IJssel, watercolour on paper 30.0 x 47.7 cm, signed l.r.

The theater performance, chalk on paper 23.6 x 30.6 cm, signed l.r. with mon. and executed '66

Design for a tapestry: Two cows, ink and watercolour on paper 45.3 x 42.8 cm

View of the backside of the Binnenhof, The Hague, black chalk and watercolour on paper 11.6 x 16.6 cm, signed l.r.

Travellers on a country road, pencil and watercolour on paper 23.3 x 30.5 cm, signed l.l.

Woman in a street, chalk and watercolour on paper 26.8 x 39.8 cm, signed l.l. and dated '90

Country road, Groningen, crayon and watercolour on paper 54.8 x 37.6 cm, signed l.r. with monogram

Laundry day, pastel on paper 63.9 x 46.8 cm, signed l.r.

Summer landscape, watercolour on paper 54.0 x 72.5 cm, signed l.l. and dated 1914

The beach at Zandvoort, pastel on paper 23.7 x 30.0 cm

Horseman in Essen, watercolour on paper 59.5 x 45.7 cm, signed l.r.