HICKETHIER, Alfred. Het Kleuren ABC: van het systeem Hickethier.

(de Bilt, The Netherlands): Cantecleer de Bilt, 1969.  First Dutch edition.  Hardcover.  21cm by 22cm.  40 pages.  Interesting work on the colour cube system developed by Hickethier in the 1950’s.  This copy with all press-outs present and intact.  A very good copy in spiral bound card covers with paper dust jacket.