• USA
    25 November 1938
  • Australia
    16 March 1939
  • UK
    17 April 1939
  • Ireland
    21 April 1939
  • Netherlands
    28 July 1939
    (Leiden)
  • Denmark
    21 August 1939
  • Finland
    10 September 1939
  • Sweden
    11 September 1939
  • Slovenia
    6 December 1939
  • Portugal
    12 March 1940
  • Hungary
    11 June 1940