https://selfranga-prod11.ethz.ch/digbib/view?pid=gbj-001%3A1994%3A1%3A%3A139
E-Periodica - Tizians verschollenes capolavoro
Schweizer Zeitschriften online - Ein Service der ETH-Bibliothek. Revues suisses en ligne - Un service de ETH Library. Swiss journals online - A service by ETH...
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