1
by Conford, Michal
Published 1991
Filmakers Library

2
by Timoner, Ondi
Published 1993
Documentary Educational Resources

3
by Nicholson, William
Published 1986
British Broadcasting Corporation (BBC)

4
by Marshall, John
Published 1973
Documentary Educational Resources (DER)

5
by Nicholson, William
Published 1986
British Broadcasting Corporation (BBC)