Nc 6 / 1970 Mitt
Seipel, Wilfried: Der "Linzer" Beethoven-Flügel / Wilfried Seipel. – 1988. – Portr., Ill. – (Die Klaviere Beethovens ; 1)
In: Mitteilungsblatt / Wiener Beethoven-Gesellschaft. – 18 (1988), S. [5-8], [9]-11
Inv.-Nr. 88.091 HB
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