Proposed Electronic Calculator, by Alan Turing (48 pp.) undated

Proposal for what became the ACE, circa 1945. Among many other things, this introduces the BURY and UNBURY opcodes (which these days we'd call PUSH and POP) and their application in function linkage.

to ace architecture electronics history retrocomputing turing ... on 05 April 2017

Frode Weierud's CryptoCellar

Interesting WW2 stuff.

to bletchley cryptanalysis cryptography history turing ... on 22 April 2012