Or obscure medieval history as taught by Christopher Tolkien, JRR's son, in the late '60s at Oxford, when TLOR was in its first vogue (and JRR was still alive, just up the hill). I remember a huge hall in the Examination Schools packed with undergrads and grads listening to Tolkien fils (who looked pretty pissed off by the whole thing) deliver a hermetic lecture on the finer points of Theodoric's relationship with Boethius. Probably only the two note-taking nuns in the front row had any notion of what he was on about.