Zomer (polder bij Kortenhoef)

A preliminary study (oil on canvas laid down on panel, 31 x 53 cm) was sold at Mak van Waay Amsterdam, 24 May 1966, lot 141. A watercolour of the same subject is with Kunsthandel 't Geelhuys, Oosterhout (see M. Peters a.o., Paul Joseph Constantin Gabril, Dordrecht/Zwolle 1998, p. 57, ill.