Sabas, St - Short article on the Palestinian monk, in the 1911 Encyclopædia Britannica. Has some scanner errors. - http://www.1911encyclopedia.org/St_Sabas
St. Sabas - Recounts his life. - http://www.catholic.org/saints/saint.php?saint_id=758
Sabas the Great - Short entry on this saint, important in early monastic history. - http://www2.evansville.edu/ecoleweb/glossary/sabasgr.html
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. - http://www.newadvent.org/cathen/13286b.htm
St Sabas, Abbot - From Butler's Lives of the Saints. - http://www.ewtn.com/library/MARY/STSABAS.htm