75/ 717 [Drawings]. Henstra, D.F. (1928-2013). Lot of ±60 pen and ink drawings, various sizes (approx. 12x12 to 35x35 cm.), partly on tracing paper, 2x finished with blue watercolour, partly signed "Friso".

- A few drawings w. filing holes in blank margin and a few w. sm. marginal damages; nearly all w. (sm.) annot. in blue ballpoint and/ or pencil concerning reproduction.

= The original drawings for the illustrations of H. LOOMAN, Wij en het water; de strijd der lage landen tegen de erfvijand het water in het verleden, het heden en de toekomst (Amst./ Brussels, Elsevier, 1957), incl. some maps.