", Peter Kriedte reprises some of the early works in the field from historians writing in the 1930s, including Marc Bloch, Henri Pirenne, Wilhelm Abel, and Michael Postan.Referred to in Italian as the "Crisis of the 14th Century", Giovanni Cherubini alluded to the debate that already by 1974 had been going on "for several decades" in French, British, American, and German historiography.