Analysis of information sources in references of the Wikipedia article "The devil is in the details" in English language version.
The seminar 'Die Bedeutung der Antike für den stilistischen Wandel in der italienischen Kunst der Frührenaissance,' WIA, III.95.1, given at the University of Hamburg in the winter semester of 1925-26, was subtitled 'Der liebe Gott steckt im Detail.'The abbreviation 'WIA' refers to unpublished material held at the Warburg Institute Archive.
...on the principle that 'the devil is in the details', what should have been a merely formal occasion developed into a debate...