Who's who in Germany (Ab 8.1982/83: Sutter's international red series, 1956)
München : Intercontinental Book & Publ. : Oldenbourg [1956-1964] ; Ottobrunn : Who's Who-Book & Publ.[1972-1976] ; Wörthsee, bei München : Who's Who - Book & Publ. [1980]