Weesperstraat 107 1018 VN Amsterdam
February 1943 A second autograph is dated 2 May 1945 - 20 March 1946 First printed by Alsbach, Amsterdam I. Moderato II. Lento
location of manuscript: www.nederlandsmuziekinstituut.nl archive registration number NMI ABmf/0831-0832 (microfiche)