You can find these titles on major Russian digital libraries and bookstores:
(D.V. Dozhdev): A modern, deep academic resource favored for its detailed analysis. rimskoe pravo skachat uchebnik fb2
: Focuses specifically on higher education law books with an integrated reading app. You can find these titles on major Russian
: Another primary source for digital editions of legal textbooks like those from publisher Knorus. rimskoe pravo skachat uchebnik fb2