During the War, Hugh Trevor-Roper worked in British Intelligence, mostly on code-breaking and interpretation of intercepted messages. He also recorded in his diary what books he read. According to his biographer, the tallies for the four years 1940-1943 are:

1940: 65
1941: 72
1942: 84
1943: 119

Now I know that there weren’t all that many distractions available to an Intelligence Officer in wartime London, and that there were periods when he was hospitalised with chronic sinusitis, but still…