1. Abed Dost, H. Kazempour, Z. (2009). The survival of ancient sphinxes and harpies in the art of the Islamic period. Negre Quarterly. 13, 91-81. [in Persian]
2. Ackerman, P. (1938). Jewellery in the Islamic period. In a survey of persian art. vol. 3. Edited by A. U. Pope. Oxford.
3. Bloomington. (1973). ancient jewelry from the collection of burton y. berry. Exhibition catalogue. indiana university art museum.
4. Creswell, K. A. C. (1961). A bibliography of the architecture, arts and crafts of islam to jan.cols. 837-62. Cairo.
5. Dunlop, D. M. (1957). Sources of Gold and Silver in islam according to al-Hamdani. Studia Islamica 8. [
DOI:10.2307/1595246]
6. Fehervari, Geza. (1976). Islamic metalwork of the eighth to the fifteenth century in the keir collection. London.
7. Frieh, R. W. (1995). Iranian Arts. (Translated by Parviz Marzban). Tehran: Forouzan Rooz. (Original work published 1958). [in Persian]
8. Hyderabadian, S. Abbasifard, F. (2009). The art of Islamic metalworking. Tehran. Sobhanapour. [in Persian]
9. Ibnavi, Azita. (2011). Investigation of design and construction of ornaments in the Seljuk period and the area affected by it. (Master Thesis). Tabriz University of Islamic Arts. [in Persian]
10. Jenkins, Marilyn, Keene, Manuel. (1983). Islamic Jewelry in the Metropolitan Museum of Art. Metropolitan Museum of Art. New York.
11. Marshal, f. H. (1907). Catalogue of the finger rings, greek, etruscan roman, in the department of antiqui-ties. The british museum.
12. Ponti, M. Negro. (1970). Jewelry and small objects from tell mahuz. (North mesoptamia).
13. Zamani, Abbas. (1976). The influence of Sassanid art in Islamic art. Tehran. Publications of the Ministry of Culture and Arts. [in Persian]
14. Zaki, M. H. (1941). Iranian industries after Islam. (Translated by Mohammad Ali Khalili). Tehran. Iqbal. [in Persian]
15. URL1: https://www.metmuseum.org
16. URL2: https://www.jstor.org/stable/community
17. URL3: https://onlineonly.christies.com/s/calligraphy-art-writing/gold-ring-inscribed-sea