found: Wagner, R. Stätte der Tradition [SR] 197-?: label (Winifred Wagner)
found: Schertz-Paley, W. Winifred Wagner, c1999: jkt. (daughter-in-law of Richard Wagner; wife of Siegfried Wagner; director of the Festspiele in Bayreuth, 1931-1944) p. 17, etc. (b. June 23, 1897, d. Mar. 5, 1980; Winifred Williams Klindworth; Senta Klindworth)
found: New Grove (under Wagner family: Winifred, née Williams; b. June 23, 1897, Hastings; adopted daughter of [Karl] Klindworth; m. Siegfried Wagner, Sept. 22, 1915; succeeded him as general director of the Bayreuth Festival productions; d. Mar. 5, 1980, Überlingen)
Wagner, Winifred
