For an old posting of this song here (1976), see thread  Unknown, 'to me anyway' song from crusades

The text was harvested for the DT, and can be seen at  THE SARACEN

Both can be found easily enough via the onsite search engine. Not added to the DT entry so far is the information, added to the discussion in 2001, that the song was written by the prolific Thomas Haynes Bayly in the first half of the 19th century.