1 Introduction -- 2 United States v. Portrait of Wally -- 3 Altmann v. Republic of Austria -- 4 Westfield v. Federal Republic of Germany -- 5 Orkin v. Taylor -- 6 Von Saher v. Norton Simon Museum of Art -- 7 Cassirer v. Kingdom of Spain and Thyssen-Bornemisza Collection Foundation -- 8 Grosz v. Museum of Modern Art -- 9 Bakalar v. Vavra -- 10 Museum of Fine Arts, Boston v. Seger-Thomschitz -- 1…