40. The exact dates of his stay in Dar es Salaam are difficult to ascertain, but he himself wrote in a letter dated June 6, 1949 (Wuppertal, M 658, 284f), that he lived in Dar es Salaam from 1943 to 1947.
40. Tarehe zake hasa za kukaa kwake Dar-es-Salaam ni vigumu kuziyamkinisha, lakini yeye mwenyewe aliandika kwenye barua yake ya tarehe 6 Juni 1949 (Wuppertal, M 658, 284f), ya kuwa aliishi Dar-es-Salaam kuanzia 1943 hadi 1947.