El Eneagrama Un Prodigioso Sistema de Identificacion de los Tipos de Personalidad (Spanish Edition) by Helen Palmer, HughPalmer Paperback, 309 Pages, Published 2006 by Libros De La Liebre De Marzo ISBN-13: 978-950-754-188-9, ISBN: 950-754-188-8
Players and Painted Stage Aspects of the Twentieth Century Theatre in Ireland by ChristopherFitz-Simon Paperback, 200 Pages, Published 2004 by New Island Books ISBN-13: 978-1-904301-63-9, ISBN: 1-904301-63-0