Series:

Thumbnail	Title	Series Number	Date	Description
	They still think we're like cavemen		03 June 1972	The programme begins with the voices of people from a mining village in Camarthenshire, South...
	Revision		10 March 1972
	Optimization		12 May 1972
	Properties of differential equations		18 August 1972
	Solving problems		01 July 1972
	The significance of significance		19 June 1973
	Revision		21 March 1973
	The television case study of policy making and...		18 March 1974
	Work on Trudos after 1968		09 August 1973
	Revision programme		1973