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Paintings from Europe and the Americas in the Philadelphia Museum of Art : a concise catalogue
Philadelphia, 1994
Bibliothek der Bundeskunsthalle Bonn
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Philadelphia Museum of Art : Annual Report 2004
Philadelphia, 2004
Bibliothek der Bundeskunsthalle Bonn
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Philadelphia Museum of Art : Annual Report 1999
Philadelphia, 1999
Bibliothek der Bundeskunsthalle Bonn
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African sculpture
Philadelphia : Univ. of Pennsylvania Pr., 1986
Bibliothek der Bundeskunsthalle Bonn