Akbarzadeh, D. and Daryaee, T., 2012. Inscribed Sasanian Bullae at the National Museum of Iran. e-Sasanika, 12, pp.1-27.
Akbarzadeh, Dariush, Fariba Sharifian and Azadeh Heydarpour, 2018. " Mineralogy of Sasanian Bullae", Parse Archaeological Studies, Number 9, Year 3: 139-146. [In Persian].
Akerman, Phyllis, 2017. "Sasanian Seals", translated by Nasser Norouzzadeh Chegini, in A Survey of Persian Art, under the supervision of Arthur Pope and Phyllis Akerman, Volume II, Tehran, Scientific and Cultural: 1012-979. [In Persian].
Amoozgar, Zhaleh, 1995. Mythological History of Iran, Tehran, Samt.[In Persian].
Azarpay, G., 2006. Bullae from the Pahlavi Archive at the University of California, Berkeley, in: Compareti, M., Raffetta, P. and Scarcia, G. eds., Ērān Ud Anērān: Studies Presented to Boris Il'ič Maršak on the Occasion of His 70th Birthday. Cafoscarina.61-70.
Bivar, D. H, 1966. The Personal and Administrative Seals of the Sasanian Period, International Congress of Iranologists, Tehran.
Brandl, B., Ouyang, X., Berlin, A.M., Herbert, S.C. and Shapiro, A., 2019. A Persian Period Bulla from Tel Qedesh, Israel, and Its Implications for Relations between Tyre and Nippur. Bulletin of the American Schools of Oriental Research, 382(1), pp. 211-241.
Brunner, C.J., 1978. Sasanian Stamp Seals in the Metropolitan Museum of Art. Metropolitan Museum of Art.
Brunner, C.J., 1979. Sasanian Seals in the Moore Collection: Motive and Meaning in Some Popular Subjects. Metropolitan Museum Journal, 14, pp. 33-50.
Cereti, C.G., Moradi, Y., Nasrollazadeh, C., 2011. A Collection of Sasanian Clay Sealings Preserved in the Takiya-e Moaven al-Molk of Kermanshah. Mesopotamia, 14, pp. 209-235.
Daryaee, Touraj, 2013. The Sassanian Empire, translated by Morteza Saqib Far, Tehran, Ghoghnous. [In Persian].
DehPahlan, Mustafa and Mohammad Qanavati Hendijani, 2014. " Animal Symbolic Motifs of the Sasanian Seals and Clay Sealings Case Study: Collection of Moghadam Museum of Tehran "), Archaeological Studies, 7th year, number 2 7- 47. [In Persian].
Frye, R.N., 1989. “BULLAE,” Encyclopædia Iranica, IV/5, pp. 545-546.
Frye, Richard Nelson, 2015. "Trade of the Sassanid era", in the society and economy of the Sassanid era, edited by Hossein Kian-Rad, Tehran, Sokhan: 70-75. [In Persian].
Ghasemi, Parsa, Rika Gyselen, Reza Nowrozi and Azizullah Rezaei, 2016. "Reconstruction of the divisions of Sassanian province of Bishapur based on the discovery of some new toponyms from the administrativ Bullae of ToleQaleh Sayfabad, Kazerun, Fars", Archaeological Researches of Iran, No. 14: 102-91. [In Persian].
Gobel, Robert, 2005. The Bullae of Takht-Suleiman: a study in late Sasanian seal studies, translated by Faramarz Najd-Samiei, Tehran, Cultural Heritage and Tourism Organization. [In Persian].
Göbl, R. 1976. Die Tonbullen vom Tacht-E Suleiman: ein Beitrag zur spätsāsānidischen Sphragistik. Berlin, laminas.
Goren, Y. and Arie, E., 2014. The Authenticity of the Bullae of Berekhyahu son of Neriyahu the Scribe. Bulletin of the American Schools of Oriental Research, 372(1), pp.147-158.
Gropp, G., 1974. Some Sasanian Clay Bullae and Seal Stones. Museum Notes (American Numismatic Society), 19, pp.119-144.
Gyselen, R. 2002. “Nouveaux matériaux sigillographiques pour la géographie administrative del’empire sassanide. Collection A. Saeedi”, Cahiers de Studia Iranica, 24.
Gyselen, Rika, 2014. The four general of the Sassanian empire: some sigillographic evidence, translated by Siros Nasraleh Zadeh, Tehran, Cultural Heritage and Tourism Organization. [In Persian].
Herbert, S. 2013. Bullae, in: Excavations at Zeugma: Conducted by Oxford Archaeology, edited by William Aylward, 3 vols. Vol. 1: 210-217.
Hinnells, John, 2005. Persian mythology, translated by , Zhaleh Amoozgar and Ahmad Tafzoli, Tehran, Cheshme. [In Persian].
Javadi, Gholamreza, 2001. Management in Ancient Iran, Tehran, Ministry of Culture and Islamic Guidance. [In Persian].
Lerner, J.A., 1976. Sasanian Seals in the Department of Medieval and Later Antiquities of the British Museum. Journal of Near Eastern Studies, 35(3), pp.183-187.
Lerner, J.A., 2006. The Seal of a Eunuch in the Sasanian Court. Journal of Inner Asian Art and Archaeology, 1, pp.113-118.
Mariya, Toraj, 2015. "Persian Gulf Trade in the Late Ancient Period", in: Society and Economy of the Sassanid Era, edited by Hossein Kian-Rad, Tehran, Sokhan: 111-136. [In Persian].
Moradi, Y. and Hintze, A., 2020. A New Sealing of Pērōz from Tak̠t-e Solaymān and its Historical Context. Res Orientales, 28, pp.111-134.
Moradi, Y. and Hintze, A., 2022. The Main Administrative Seal of the Sanctuary of Ādur Gušnasp and some other Sealings from Taḵt-e Solaymān. Res Orientales, 29, pp.75-100.
Pourkhaleqi Chatroudi, Meh Dekht, 2013. "The Tree of life and its cultural and symbolic value in beliefs", Iranian Studies, first year, number 1: 126-89. [In Persian].
Pourshariati, Parvaneh, 2016. Decline and Fall of the Sassanian Empire, translated by Khashayar Behari, Tehran, Farzan Rooz. [In Persian].
Rahimi Far, Mahnaz, 2015. " Survey of mud labels of Khorhe Mahalat", Archeology, second year, number 3: 68-88. [In Persian].
Ritter, N.C., 2017. Gemstones in pre-Islamic Persia: Social and Symbolic Meanings of Sasanian Seals. In Gemstones in the First Millennium AD: Mines, Trade, Workshops and Symbolism (pp. 277-292). Mainz: Romisch-Germanisches Zentralmuseum.
Shaman, Marie Louise, 2015. "Positions from the Sassanid Period", in: Society and Economy of the Sassanid Era, edited by Hossein Kian-Rad, Tehran, Sokhan: 62-67. [In Persian].
Tafzali, Ahmad, 2015. Sassanid society, Tehran, Ney. [In Persian].
)