Kennedy, Charles Stuart (1994-04-25). "Ambassador Herbert John Spiro". Foreign Affairs Oral History Project(PDF). The Association for Diplomatic Studies and Training. Archived from the original(PDF) on October 7, 2016. Retrieved 2014-06-09. Alt URL
loc.gov
Kennedy, Charles Stuart (1994-04-25). "Ambassador Herbert John Spiro". Foreign Affairs Oral History Project(PDF). The Association for Diplomatic Studies and Training. Archived from the original(PDF) on October 7, 2016. Retrieved 2014-06-09. Alt URL
uni-hamburg.de
www1.uni-hamburg.de
Mosel, Wilhelm. "18. No. 40 Moorweidenstraße". Buildings Integral to the Former Life and/or Persecution of Jews in Hamburg - Eimsbüttel/Rotherbaum I. University of Hamburg. Retrieved 12 January 2011.
Kennedy, Charles Stuart (1994-04-25). "Ambassador Herbert John Spiro". Foreign Affairs Oral History Project(PDF). The Association for Diplomatic Studies and Training. Archived from the original(PDF) on October 7, 2016. Retrieved 2014-06-09. Alt URL