Paul Gordeaux
Denmark. Rigsarkivet.
Cardus, Neville Sir
Feng, Jia.
Anaxagoras.
Mashur Bin-Ghalib Jundam
María Angeles Pérez Castañeda
Burt Hochberg
Hans Theo Richter
International EBU Seminar for Producers and Directors of Adult Education by Television (14th 1976 Basel, Switzerland)
Louise Guyon