This collection comprises the following folders: (1868/1) birth and death certificates, residency permit and British embassy Tehran registration certificates, 1876-1945; (1868/2) correspondence to Margarethe from various correspondents, 1911-1926; (1868/3) correspondence to Margarethe from various correspondents, 1913-1924; (1868/4) correspondence to Margarethe from various correspondents, 1914-1933; (1868/5) correspondence to Margarethe from her sister, Hanna, 1918-1925; (1868/6) correspondence to Margarethe from Ruth Dammann, 1918-1932; 1868/7 correspondence between Margarethe and Hanna, 1919-1984; (1868/8) correspondence to Margarethe from various correspondents, 1919-1925; (1868/9) correspondence to Margarethe from various correspondents, 1922-1946; (1868/10) correspondence to Margarethe from Ulrich Saalfeld, 1923-1933; (1868/11) correspondence to Ulrich from Margarethe, 1923; (1868/12) correspondence to Margarethe from Ulrich, 1923; (1868/13) papers re Johanna Borkenau-Pollak, death certificate Adele Saalfeld 1940, various photos, miscellaneous correspondence 1931-1952, 1923-1957; (1868/14) correspondence to Margarethe and Ulrich from Hanna, 1926-1936; (1868/15) correspondence to Margarethe from various correspondents, 1926-1930; (1868/16) correspondence to Ulrich and Margarethe from Ulrich's parents, 1926-1928; (1868/17) correspondence to Margarethe from Ulrich, 1926-1928; (1868/18) correspondence from Margarethe and Ulrich to parents, 1926-1929; (1868/19) correspondence from Margarethe to Ulrich, 1926-1929; (1868/20) correspondence to Margarethe and Ulrich from various correspondents, 1925-1946; (1868/21) correspondence to Margarethe and Ulrich from parents and Hanna, 1928-1930; (1868/22) correspondence to Margarethe and Ulrich from Hanna, 1929-1930; (1868/23) correspondence from Margarethe and Ulrich to her parents, 1929-1930; (1868/24) correspondence to Margarethe and Ulrich from Hanna, 1930-1931; (1868/25) correspondence to Margarethe from Peter, 1933-1951; (1868/26) correspondence from Hanna to Margarethe and Ulrich 1940-1951, correspondence from family and friends to Margarethe 1933-1934, correspondence Ulrich (Tehran) to Margarethe 1933-1934; (1868/27) correspondence from Margarethe to parents and correspondence with Ulrich, 1933-1950; (1868/28) general correspondence arranged alphabetically, 1934-1935; (1868/29) correspondence from Margarethe whilst traveling, 1938-1975; (1868/30) general correspondence, 1930s; (1868/31) miscellaneous material including Ehrenkreuz fuer Eltern awarded to Adele Saalfeld; (1868/32) miscellaneous papers including correspondence between Margarethe and Hanna 1924-1925, Ulrich and Margarethe's wedding dinner menu, Ulrich's id card, doctorate and CV, Margarethe's job specification as secretary to department of culture; (1868/33) miscellaneous correspondence, 1940-1980; (1868/34) correspondence between Hanna and Margarethe and Ulrich, 1951-1961; (1868/35) correspondence of Margarethe including various correspondents, 1950s-1960s; (1868/36) Hanna Borkenau née Meyer- publications on art work and essay on travelling; (1868/37) miscellaneous material including papers on Simon Farzami 

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