You can find these titles on major Russian digital libraries and bookstores:

: A massive digital library for students where you can read and often download academic textbooks.

: Focuses specifically on higher education law books with an integrated reading app.

: Another primary source for digital editions of legal textbooks like those from publisher Knorus.

(C. Sanfilippo, edited by D.V. Dozhdev): Translated from Italian, this provides a clear, high-level overview of Roman legal institutions. Where to Download (FB2 & Digital)

(I. Pukhan and M. Polenak-Akimovskaya): An accessible, structured basic textbook often used for introductory courses.

(D.V. Dozhdev): A modern, deep academic resource favored for its detailed analysis.