What are the release dates for Summer of '42 - 1971?

What are the release dates for Summer of '42 - 1971?
Summer of '42 - 1971 was released on:

USA: 9 April 1971
Brazil: 26 April 1971
Argentina: 10 June 1971
France: 16 June 1971
Sweden: 22 July 1971
Finland: 20 August 1971
Japan: 21 August 1971
Italy: 9 September 1971
West Germany: 23 September 1971
Netherlands: 14 October 1971
Denmark: 7 February 1972
Mexico: 9 March 1972
Belgium: 24 March 1972 (Gent)
Portugal: 8 June 1972
Hong Kong: 11 January 1973
Turkey: February 1973
Hungary: 31 January 1974
Spain: 31 October 1974 (Madrid)
Spain: 23 December 1974 (Barcelona)