John Hewitson: Photographs and memorabilia, log book and hours of conversation; thanks John!
Michael Schoeman: 1 Sqdn Photographs and the "Springbok Fighter Victory" book series
SAAF Museum Swartkops: Photographs, thanks Alan Taylor for help.
Vivian Voss: "The Story of No. 1 Squadron SAAF", printed 1952
Brent Best: Copies of 1 and 5 sqdn war diaries, thanks Brent!