The file consists of Václav Kostelecký's interview with Alva and Gunnar Mydal about Dag Hammarskjöld. The interview took place in Mariefred, Sweden on 22 June 1979. The interview is, in total 111 minutes long and is on three electronic audio files.

The sub-sub-sub-series consists of sixty one audio files of interviews conducted by Vaclav Kostelecky from 1978 to 1981 on the history of the ECE. Includes interviews with Gunnar Myrdal, Walt Rostow, Evgeny Chossudowsky, Albert Kervyn de Lettenhove, and Nicholas Kaldor, among others. These audio files were provided by the Swedish Labour Mouvement Archives and Library (Arbetarrörelsens arkiv och bibliotek, https://www.arbark.se) with support from the Kostelecky family. The ZIP file contains all 61 audio files in MP3 format with the file list (in Swedish); these files can be downloaded individually on together in one ZIP file at: https://owncloud.unog.ch/index.php/s/IQAWNbwUOFogler.

The file consists of Václav Kostelecký's interview with Albert Kervyn de Lettenhove. The interview took place in Hodoumont, Belgium between 22 March 1980 and 23 March 1980. The interview is, in total, 200 minutes long and is on seven electronic audio files.

The file consists of Václav Kostelecký's interview with Gunnar Mydal and his wife Alva Myda. The interview took place in Mariefred, Sweden on 22 June 1979. The interview is, in total, 119 minutes long and is on three electronic audio files.

The file consists of Václav Kostelecký's interview with Ambassador Tyge Dahlgaard of Denmark. The interview took place in London, England on 28 February 1981. The interview is, in total, 48 minutes long and is on two electronic audio files.