89. Oral tradition and Marian dogma

Question:  I guess in my mind, when reading the scriptures, when the subject of “what must a man do to be saved” There is always an answer, and there is never any mention of the Marian Dogmas. Then while reading ( still reading )400 years of Church Fathers I have yet to read any mention o f these dogmas. Except both Jerome and Epiphanius state no one knows for sure…