Iyengar, B.K.S Light on Yoga. Mandala books 1976
McCartney, James Yoga: The Key to Life. Rider 1974
The Bhagavad Gita, Translated by Juan Mascaro. Penguin Classics 1980
The Upanishads, Translated and selected by Juan Mascaro. Penguin Classics 1979
Encyclopedic Dictionary of Yoga. Georg Feuerstein, Unwin Paperbacks,1990
National Children's Bureau, leaflet 158, Highlight 1998.
Ref.4. Wellings, K and others (1994) Sexual Behaviour in Britain: The National Survey of Sexual attitudes and Life styles. Penguin
Ref. 16. Thompson, R and Scott, (1991) Learning about Sex: Young women and the social construction of sexual identity Tufnell Press
The dates of publication are the latest dates known to the author. More recent imprints will have been made of most of the above books.