==References==*The Complete Works of Abraham Abulafia (Hebrew)*JewishEncyclopedia.com article*Portrait of Abulafia (Archived 2009-10-24) (PDF file)*"Circles" - from Life of the World to Come
* Moshe Idel, «Abraham Abulafia: An Ecstatic Kabbalist Studies» (Labyrinthos, 1992)* Portrait of Abulafia (PDF file)* «Circles» — from Life of the World to Come