Further information and reviews include:

Oxford Mail, 11th April 1968

Times, 11th April 1968

Guardian, 11th April 1968

Financial Times, 11th April 1968

Birmingham Post, 11th April 1968

Daily Telegraph, 11th April 1968

Daily Mail, 11th April 1968

Daily Express, 11th April 1968

Evening News, 11th April 1968

Birmingham Mail, 11th April 1968

Liverpool Post, 11th April 1968

Glasgow Herald, 13th April 1968

Observer, 14th April 1968

Sunday Times, 14th April 1968

Sunday Telegraph, 14th April 1968

Evesham Journal, 18th April 1968

Stage and Televisiion Today, 18th April 1968

Jewish Chronicle, 19th April 1968

Oxford Times, 19th April 1968

Punch, 24th April 1968

Listener, 25th April 1968

Illustrated London News, 27th April 1968

Londoner, 27th April 1968

Tribune, 3rd May 1968

Queen, 8th May 1968

Plays and Players, June 1970

Morning Advertiser, 1st July 1970