Calinescu, A., & Indiana University, Bloomington. Art Museum. (1996). Ancient jewelry and archaeology. Bloomington: Indiana University Press.
Coarelli, F., & Strong, D. (1970). Greek and Roman Jewellery (68 Plates in Full Colour) (1st ed.). Hamlyn Publishing Group Limited.
Croom, A. (2002). Roman Clothing and Fashion (1st ed.). Amberley Publishing.
D’Ambrosio, A. (2001). Women and beauty in Pompeii. Los Angeles: J. Paul Getty Museum.
Elder, P. T. (2015). Delphi Complete Works of Pliny the Elder (Illustrated) (Delphi Ancient Classics Book 53) (1st ed.). Delphi Classics.
Higgins, R. (1961). Greek and Roman jewellery (Methuen’s handbooks of archaeology). London: Methuen.
Higgins, R., & British Museum. Department of Greek and Roman Antiquities. (1965). Jewellery from classical lands. London: Trustees of the British Museum.
Johns, C. (1995). Sex Or Symbol? Erotic Images of Greece and Rome (3rd ed.). British Museum Press.
Knight, R. P., & Wright, T. (2006). Sexual symbolism: A history of phallic worship. Dover Publications.
Marshall, F. H. (1911). Catalogue of the jewellery, Greek, Etruscan, and Roman, in the departments of antiquities. British Museum. London: Printed by order of the Trustees. https://hdl.handle.net/2027/uc2.ark:/13960/t3hx1mb78
Mattusch, C., National Gallery of Art (U.S.), & Los Angeles County Museum of Art. (2008). Pompeii and the Roman villa : Art and culture around the bay of Naples. Washington: National Gallery of Art.
Ogden, J. (1992). Ancient jewellery (Interpreting the past). Berkeley: University of California Press.
Ogden, J. (1982). Jewellery of the ancient world. New York: Rizzoli.
Schadt, H. (1996). Goldsmiths’ art : 5000 years of jewelry and hollowware. Stuttgart: Arnoldsche.
Sebesta, J., & Bonfante, L. (2001). The world of Roman costume (Wisconsin studies in classics). Madison, Wis.: University of Wisconsin Press.
Bedini, A., Ehrman, S., Cesaro, S. N., Pasini, M., Rapinesi, I. A., & Sali, D. (2012). The Vallerano Diamond from Ancient Rome:L A Scientific Study. Gems & Gemology, 48(1), 39–41. https://doi.org/10.5741/gems.48.1.39
Dirlam, D., Misiorowski, E., & Thomas, S. (1985). Pearl Fashion Through the Ages. Gems & Gemology, 21(2), 63–78. https://doi.org/10.5741/gems.21.2.63
NYU Dept. of Media, Culture, and Communication. (2010). Signet Ring. NYU Dead Media Archive. http://cultureandcommunication.org/deadmedia/index.php/Signet_Ring
Oliver, Jr., A. (1966). Greek, Roman, and Etruscan Jewelry. In The Metropolitan Museum of Art Bulletin (May ed., pp. 269â€“284). The Metropolitan Museum of Art in collaboration with JSTOR. https://www.lemonbook.gr/uploads/1411318826.pdf
Paolilli, A. (2008). Development and Crisis in Ancient Rome: The Role of Mediterranean Trade. Historical Social Research / Historische Sozialforschung, 33(4 (126)), 274-288. Retrieved February 11, 2020, from www.jstor.org/stable/20762323
Pease, A. S. (1904). Notes on Some Uses of Bells among the Greeks and Romans. Harvard Studies in Classical Philology, 15, 29–59. https://doi.org/10.2307/310495
Fayum Mummy Portraits
The British Museum (https://www.britishmuseum.org)
The Metropolitan Museum of Art (https://www.metmuseum.org)
These are some of the sources that I’ve referenced or consulted all or parts of. I don’t necessarily agree with everything, however, I have found them useful and/or insightful. These are only some of the resources out there. Please derive and revise your conclusions with as much evidence as possible. Science!