University Museum, Philadelphia. (1990). Fine Antiquities. The Properties of Mr. Alan M. May and from various sources. Monday, 2 December 1991 at 10.30 a.m. precisely (Auktionskatalog von Christie, Manson & Woods Ltd., London). London: Christie's.
Chicago-Zitierstil (17. Ausg.)University Museum, Philadelphia. Fine Antiquities. The Properties of Mr. Alan M. May and from Various Sources. Monday, 2 December 1991 at 10.30 A.m. Precisely (Auktionskatalog Von Christie, Manson & Woods Ltd., London). London: Christie's, 1990.
MLA-Zitierstil (8. Ausg.)University Museum, Philadelphia. Fine Antiquities. The Properties of Mr. Alan M. May and from Various Sources. Monday, 2 December 1991 at 10.30 A.m. Precisely (Auktionskatalog Von Christie, Manson & Woods Ltd., London). London: Christie's, 1990.