This article systematically analyzes the source-studying significance of the scholarly heritage of the great encyclopedist Abu Rayhon Beruni in studying the history of the Middle Ages. The historical, ethnographic, and chronological data presented in the scientist's fundamental works such as "Chronology of Ancient Nations", "India", and "Al-Qanun al-Mas'udi" are evaluated as primary sources. Beruni's objective approach to reality, his methodology of comparative analysis of calendars, religious beliefs, and social systems of different peoples are highlighted based on archival materials and modern historiographical research.

Abu Rayhon Beruni, historical source, source studies, chronology,

Ahadova M. Abu Rayhon Beruniyning tarixiy va geografik qarashlari. – Toshkent: Oʻzbekiston, 1973. – 120 b.

Yoʻldoshev Sh. Sharq Renessansi davri manbashunosligi va metodologiyasi masalalari. – Toshkent: Ma’naviyat, 2011. – 195 b.

Sulaymonova F. Sharq va Gʻarb (Qadimgi va oʻrta asrlar madaniy aloqalari). – Toshkent: Oʻzbekiston, 1997. – 320 b.

Abu Rayhon Beruniy. Tanlangan asarlar. I tom: Qadimgi xalqlardan qolgan yodgorliklar. / Tarjimon: A.Rasulov. – Toshkent: Fan, 1968. – 480 b.

Abu Rayhon Beruniy. Tanlangan asarlar. II tom: Hindiston. / Ma’sul muharrir: A.Sodiqov. – Toshkent: Fan, 1965. – 512 b.

Abu Rayhon Beruniy. Kitob al-Jamohir fi ma’rifat al-javohir (Mineralogiya). / Ruscha tarjimasi: A.Belenskiy. – Moskva: Nauka, 1963. – 350 s.

Karimov U.I. Beruniyning "Saydana" asari va uning tibbiyot tarixidagi oʻrni. – Toshkent: Fan, 1982. – 165 b.

Bartold V.V. Turkestan v epoxu mongolskogo nashestviya. Sochineniya. Tom I. – Moskva: Izdatelstvo vostochnoy literaturi, 1963. – 760 s.

Tolstov S.P. Drevniy Xorezm: Opit istoriko-arxeologicheskogo issledovaniya. – Moskva: MGU, 1948. – 352 s.

Saidov A. Beruniyning sotsiologik va huquqiy qarashlari: Tarixiy tahlil. – Samarqand: Sugʻdiyona, 2003. – 160 b.