The fuller biblical canons preserved by churches that never narrowed the list — books most Western Bibles quietly dropped.
The most complete mainstream canon — preserves Enoch, Jubilees, Meqabyan, and 4 Ezra as Scripture, not appendix.
Tobit, Judith, Wisdom, Sirach, Baruch, 1 & 2 Maccabees — kept by Rome, removed by the Reformers, quoted by Christ and the apostles.
Carries 2 Enoch and 3 Esdras as part of its received text — Slavic Christianity's witness to books the West forgot.