Catholic Encyclopedia - St. Sabbas, or Sabas. Basilian monk, hermit, founded the monastery at Mar Saba near Jerusalem. Died 532. Article also mentions five other saints of this name. www.newadvent.org/cathen/13286b.htm
Catholic Online - Life of St. Sabas. saints.catholic.org/saints/sabas.html
Lives of the Saints - From Alban Butler's Lives of the Saints. www.ewtn.com/library/MARY/STSABAS.htm
The Ecole Glossary - Short entry on St. Sabas, important in early monastic history. cedar.evansville.edu/~ecoleweb/glossary/sabasgr.html