Study of the Word of God is crucial to growth as a Christian. To that end, here are several helpful links in the study of the languages and the study of History. As to the extra Biblical content, be discerning, only Scripture is infallible.
"Every professor of the [Southern Baptist Theological Seminary] shall be a member of a regular Baptist church; and all persons accepting professorships in this seminary shall be considered, by such acceptance, as engaging to teach in accordance with, and not contrary to, the Abstract of Principles hereinafter laid down, a departure from which principles on his part shall be considered grounds for his resignation or removal by the Trustees."
The 1858 Abstract of Principles