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.