Correspondence

Scope and Content

  • B/1 Test Routines, 1953-1954
  • B/2 Polya, includes paper "On Liouville's Function", 1959-1968.
  • B/3 Rulers (Difference Bases), 1957-1958,1963-1970.
  • B/4 Brian Randell, including three papers on origins of digital computing, Turing, Babbage and the Colossus Project, 1968-1976.