Contains: Witzenhausen (colonial school), 12 May 1924 (a letter, a postcard with a view of the wine and liqueur shop Artur Schulz in Witzenhausen); 19 May 1924; 22 May 1924; 24 May 1924; n/a 1924; 23 May 1924; 23 May 1924; 23 May 1924; 24 May 1924; 24 May 1924; 23 May 1924; 24 May 1924; 23 May 1924; 23 May 1924; 24 May 1924; 23 May 1924; 23 May 1924. June 1924; 9 August 1924; 6 August 1924; 14 August 1924; 18 October 1924; 8 November 1924; 16 November 1924; 1 December 1924; 7 December 1924; 17 December 1924 (15 letters, one postcard) Contains: Witzenhausen (Colonial School), 4 February 1925; 26 April 1925; 13 May 1925 (three letters) Contains: Nordhausen, 29 May 1925 (postcard with view of Nordhausen main station) Includes: Witzenhausen (colonial school), 9 June 1925; 7 July 1925; 24 July 1925; 13 August 1925; 23 August 1925; 14 October 1925 (postcard); 31 October 1925; 7 November 1925; 23 November 1925; 6 December 1925 (nine letters) Contains: Witzenhausen (colonial school), 19 January 1926; 14 February 1926; 9 March 1926 (telegram) (two letters, one telegram) Contains: Hohenebra, 6 September 1926; 28 September 1926; 20 September 1926 (three letters) Contains: Nordhausen, 30 October 1926 - with: Letter from V. Küdrich, Deutsche Kolonialschule Witzenhausen: Wilhelmsdorf, 29 October 1926 (two letters) Contains: Hohenebra, 6 November 1926; 27 December 1926 (contains two letters): Hamburg, 1 May 1927; 30 May 1927 (two letters) Contains: Lauenburg (Elbe), 6 June 1927 (postcard with panorama of Lauenburg from Hohnstorf) Includes: Hamburg, 25 June 1927; 5 July 1927; 11 July 1927; 6 August 1927; 24 September 1927; 17 October 1927; 5 November 1927 (for Dr W Johannes Wentzel); 11 November 1927; 13 December 1927 (nine letters) Contains: Hamburg, 10 January 1928; 12 February 1928; 16 March 1928; 22 April 1928; 14 May 1928; 18 June 1928 (postcard, postmark); 12 July 1928 (with Dr W Johannes Wentzel); 28 July 1928 (postcard); 3 September 1928; 6 September 1928; 25 September 1928; 26 September 1928; 14 November 1928 (eleven letters, two postcards) Contains: Ramelsloh (Lüneburger Heide), December 16, 1928 (postcard with view of the church of Ramelsloh) Contains: Hamburg, January 26, 1929 (with drawing); February 1, 1929 (with Dr. W. Johannes Wentzel); February 13, 1929; March 2, 1929 - with: Letter from Wilhelm Wilbrand to girlfriend Anni; March 10, 1929; June 8, 1929; August 12, 1929; September 7, 1929; September 16, 1929; September 30, 1929; October 18, 1929; November 14, 1929; December 20, 1929 (14 letters) Contains: Hamburg, January 21, 1930 (by Dr. W. Johannes Wentzel) - with: Letter from Wolfgang Wentzel, uncle of Wilhelm, to Kurt Woermann, Hamburg: Hamburg, January 20, 1930: Future Possibilities in Africa (two letters) Contains: Genoa, 31. May 1931 (postcard with view of the war memorial in Genoa); 1. June 1931 (postcard with view of the ship Ussukuma) Contains: on the Ussukuma, 5. June 1931 - with: postcard with text and notes of the song 'Weckruf' (a letter) Contains: Bregenz, 4 June 1940 (Picture postcard with Bregenz old town) Includes: Friedrichshafen am Bodensee, 20 May 1940 (postcard with castle church and marina) Includes: Berlin-Dahlem, 24 September 1941 (one letter)
