<Li> Nationalistic and patriotic kitsch in literature . </Li> <Li> Pornography and explicit literature by Jewish authors . </Li> <Li> All books degrading German purity . </Li> <P> Even some German students were complicit in the Nazi book burning campaign . They were known as Deutsche Studentenschaft, and when they ran out of books in their own libraries they turned to independent bookstores . Libraries were also asked to stock their shelves with material that stood up to Hitler's standards, and destroy anything that did not . </P>

When did the burning of the books happen