-20 Parsons, Jayne8 Rampa, T. Lobsang6 Cato, Sheila ; Sami Sweeten5 Gorell, Lord3 Palmer, Joy ; Ambreen Husain ; Audrey Widjaja2 Tucker, Paul2 Taylor, A.E.2 Wepman, Joseph M ; Heine, Ralph W. (editor)1 English, Otto (Penulis)1 Bennett, Tony (penulis)1 Gray, H.J.1 Allen, Clifford1 Self-study edition1 Bender, Arnold E.1 Mancini, Marguerite R (penulis) ; Gele, Alice T1 Waddington, Conrad H. ; Jantsch, Erich1 Ehrlich, Doreen1 Dowding, Lord1 Hughes, John, 1930-1