Complex sentence: He is also credited with making a crucifix and a great bell carved with images of Mary and John, for the Monk's Choir, as well as with sculpting the Bury St. Edmunds cross out of 350-year old, golden yellow walrus tusks.
Split into simpler sentences: He is also credited with making a crucifix and a great bell carved with images of Mary and John, for the Monk's Choir. Master Hugo is also credited with sculpting the Bury St. Edmunds cross out of 350-year old golden yellow walrus tusks.