Firkovich alonganike bamanyuskripiti abengi, kabili mu 1859 apingwilepo ukutwala aba bamanyuskripiti ku laibrare ya Imperial Library. Mu 1862, Aleksandere II ayafwilishe mu kushita aya mabuuku pali 125,000 rubles pa kuti bakayabike mu laibrare, umutengo uwali uukalamba pali ilya nshita. Pali ilya ine nshita, indalama laibrare yalepoosa pa mwaka shaleba 10,000 rubles. Pa mabuuku yashitilwe pali na manyuskripiti waishibikwa sana uwa Leningrad Codex (B 19^A). Yalembelwe mu 1008 kabili e manyuskripiti yakokwesha pa mamanyuskripiti yonse ayakwata Amalembo ya ciHebere. Uwasoma umo asosele ukuti “nalimo e manyuskripiti yacindamisha iya Baibolo, pantu e yabomfiwa pa kupilibula Amalembo ya ciHebere mu maBaibolo ya nomba line ayapilibulwa bwino sana.” (Moneni umukululo uli muli cino cipande.)

Ku ca kumwenako, amaBaibolo ya Biblia Hebraica Stuttgartensia na Kettel’s Biblia Hebraica, ayabomfiwe na komiti wa New World Bible Translation Committee, yapilibwilwe ukufuma kuli Leningrad Codex kabili yalabomfya ishina lya kwa Lesa, Yehova, imiku 6,828.