By Vatsyayana Mallanaga, Fowkes, Charles, Arbuthnot, F.F., Burton, Sir R.
By Sparks, John
By Anne Hooper
By Mallanaga Vatsyayana, Alain Danielou
By Alex Comfort
By Plenderleith, Allan
By Richard O'Nan, Pamela Palm
By Vatsyayana Mallanaga
By The Editors of Goop, Gwyneth Paltrow