Harcourt Algeranoff to Ernst Krauss and Ecoline Krauss-Adema, 15 April 1954 Unit ID: 581 Date: 15 April 1954
Harcourt Algeranoff to Ernst Krauss and Ecoline Krauss-Adema, 15 June 1955 Unit ID: 639 Date: 15 June 1955
Harcourt Algeranoff to Ernst Krauss and Ecoline Krauss-Adema, 15 May 1957 Unit ID: 690 Date: 15 May 1957
Harcourt Algeranoff to Ernst Krauss and Ecoline Krauss-Adema, 15 October 1957 Unit ID: 717 Date: 15 October 1957
Harcourt Algeranoff to Ernst Krauss and Ecoline Krauss-Adema, 17 April 1955 Unit ID: 637 Date: 17 April 1955