References for Teresa Gonzalez de Lara

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W.K. v.Isenburg: Europäische Stammtafeln, Band II, Tafel 47. Marburg, 1953 (1965)
D.Schwennicke: Europäische Stammtafeln, Vol. III/1, Tafel 127. Marburg, 1984
S.de Vajay: From Alfonso VII to Alfonso X - The first two Centuries of the Burgundian Dynasty in Castile and Leon. 1989