Gunnar Höckert Bio, Stats, and Results | Olympics at Sports-Reference.com. web.archive.org [online]. 2020-04-17 [cit. 2021-12-11]. Dostupné v archivu pořízeném z originálu dne 2009-10-13.
Olympians Who Were Killed or Missing in Action or Died as a Result of War | Olympics at Sports-Reference.com. web.archive.org [online]. 2020-04-17 [cit. 2021-12-11]. Dostupné v archivu pořízeném z originálu dne 2020-04-17.
web.archive.org
Gunnar Höckert Bio, Stats, and Results | Olympics at Sports-Reference.com. web.archive.org [online]. 2020-04-17 [cit. 2021-12-11]. Dostupné v archivu pořízeném z originálu dne 2009-10-13.
Olympians Who Were Killed or Missing in Action or Died as a Result of War | Olympics at Sports-Reference.com. web.archive.org [online]. 2020-04-17 [cit. 2021-12-11]. Dostupné v archivu pořízeném z originálu dne 2020-04-17.