Also in file: a second TL(CAR), document .156483.

An appeal to join a demonstration in London on Sunday, March 16, leaving Cardiff by coach on Saturday, 15 March. (The year was determined by a perpetual calendar.)

Enclosure is addressed "To Mathematicians and Logicians".

This letter is addressed "To Mathematicians and Logicians".

Letter is handwritten on a typed letter to Senator Edward Kennedy

Re. The American economic system.