Complex sentence: In addition to his musical work, Grove had a deep and scholarly knowledge of the Bible, and contributed to the English literature on the subject, including a concordance in 1854 and about a thousand pages of Sir William Smith's 1863 "Bible Dictionary".
Split into simpler sentences: In addition to his musical work, Grove had a deep and scholarly knowledge of the Bible. He contributed to the English literature on the subject, including a concordance in 1854 and about a thousand pages of Sir William Smith's 1863 "Bible Dictionary".