Citations: Anonym 1993: [Kangas, E.] DGaaE-Nachrichten, Ulm 7 (2), pp. 68, deutsche Übers. von Nuorteva, M. 1993:
Mannerkoski, I. 1993: Bibliography of Esko Kangas (7 January 1906-26 December 1992). Entomologica Fennica, Helsinki 4 (1), S. 3-8, B15 10924, pp. 3-8, Schr.verz.
Nuorteva, M. 1993: Esko Kangas - In memoriam. Entomologica Fennica, Helsinki 4 (1), S. 1-2, B15 10924, pp. 1 - 2, Portr.