The History of the Holy Roman Empire is excellent and provides a better understanding of why the Empire St, weight at the "nations" Western, his weight on Christian institutions, the role of the emperor, the opposition -C or its competition with the papacy. It can also measure its evolution over the centuries, its degradation rather I should say. This book has only one fault, that we would have 10 times more pages, indeed difficult to be exhaustive in 400 pages over 9 centuries ...
