1981.09.21_Order of Merit at Work to Dietrich Gerstel. El Nacional newspaper

1958.10.16_Article in Caracas Anzeiger. Interview about Dietrich Gerstel Accounting company

1939.10.20_Dietrich to Mr. and Mrs. van Cleef about Venezuela. Caracas-Montevideo

1939.06.17_Dietrich to Dr. Gunther Jacobsohn. Financial aid for transfer Cuba/Venezuela. Havana-New York

1939.08.24 Dietrich to family*. Regarding financial situation in Venezuela.

1939.07.06_Dietrich to family. Emigration situation in Caracas

1938.11.17_Dietrich to Kathe Gerstel. Need for emigration. London, England

1939.07.02_Dietrich to Irmgard* in Cuba. Report on arrival in Caracas, customs and living costs

1939.10.05_Dietrich to Frederick G. Danning (Gunther Dannenbaum) regarding Venezuela. Caracas-New York

1939.05.25_Dietrich to Gunther (Dannenbaum) about Cuba