an Entity references as follows:
Christie's, Review of the Season. London: Hutchinson, 1972, p. 373. Avery, Charles, assisted by Arthur Emperatori. Mosaics from the Gilbert Collection: summary catalogue. Exhibition catalogue Victoria & Albert Museum. London: H.M.S.O. 1975. Cat. no. 49. Gonzalez-Palacios, Alvar. The Art of Mosaics: Selections from the Gilbert Collection, Los Angeles (Los Angeles County Museum of Art) 1977. 143 p., ill. Cat. no. 3. ISBN 0875870805. Giusti, Anna Maria, ed. Il Museo dell'Opificio delle Pietre Dure a Firenze. Milan: Electa 1978, p. 292 Massinelli, Anna Maria with contributions by Jeanette Hanisee Gabriel. Hardstones: The Gilbert Collection. London: Philip Wilson Publishers Ltd. in association with The Gilbert Collection, 2000. 329 p., ill. Cat. no. 4, pp. 38-40. ISBN 0856675105. Gonzalez-Palacios, Alvar and Steffi Röttgen with essays by Steffi Röttgen, Claudia Przyborowski; essays and new catalogue material translated by Alla Theodora Hall. The Art of Mosaics: Selections from the Gilbert Collection. Los Angeles (Los Angeles County Museum of Art) 1982. 224 p., ill. Cat. no. 3. ISBN 0875871097 Williams, Elizabeth A. The Gilbert Collection at the Los Angeles County Museum of Art. Los Angeles (Los Angeles County Museum of Art), 2010, fig. 31, p. 60. ISBN 9780875872100 30 The Gilbert Mosaic Collection, Los Angeles : Los Angeles County Museum of Art, 1975