Interview with August Blume
June 15, 1958
Courtesy of the Slought Foundation

Interview with Michiel de Ruyter, Part 1
November 19, 1961
Courtesy of the Dutch jazz archives

Interview with Michiel de Ruyter, Part 2
December 1, 1962
Courtesy of the Dutch jazz archives

Interview with Michiel de Ruyter, Part 3
October 26, 1963
Courtesy of the Dutch jazz archives

Interview with Michiel de Ruyter, Part 4
July 27, 1965
Courtesy of the Dutch jazz archives

Interview with Kaname Kawachi
July 9, 1966
Japan

Interview with Frank Kofski
August 18, 1966
Courtesy of Pacifica Radio Archives