Peter Krackowizer: "Motorrad Professor Helmut Krackowizer Erinnerungen zum 100. Geburtstag" ("Motorcycle Professor Helmut Krackowizer memories on his 100th birthday", biography), edition april 2022 (see announcement)
Das Speichenrad, Club newspaper and newsletter of the Motor Veteranen Club Salzburg, special edition 2017
Helmut Krackowizer in "Salzburgwiki² with all detailed source links of "ANNO Historical newspapers and magazines", digitized by the Austrian National Library
