De Cedric Allingham. Frederick Muller Limited, 1954, 144 p.

De George C. Andrews. Llewellyn Publications, 1987, 308 p.

De Alice A. Bailey. Lucis Publishing Company, 1988, 772 p.

De Robert Baraybar. Imprimerie Tinéna, 1982, 28 p.

De Val Wineyard. Val Wineyard Publishing, 2017, 176 p.

De Truman Bethurum. DeVorss and Co., 1954, 192 p.

De Mieke Vulink. 2023, 188 p.

De Rupert T. Gould. Methuen and Co. Ltd, 1937, 182 p.