Between the perhaps excessive admiration of Innocent's biographer, Friedrich von Hurter, and the cooler estimate of a later historian, Felix Rocquain, who, after taking into consideration Innocent's political mistakes, lack of foresight and numerous disappointments and failures, concludes that his reputation has been much exaggerated, it is possible to steer a middle course and form a judgment that is at once impartial and conformable to the historical facts.
Von Hurter, Geschichte Papst Innocenz III.
Von Hurter, Geschichte Kaiser Ferdinands 11.
But the Deacon process, the invention of Henry Deacon (who was greatly aided by his chemist Dr Ferdinand Hurter), carried out since 1868, has attained to better, although nothing like complete, success in that direction.
Hurter, Geschichte Papst Innocenz III.
Hurter, Nomenclator literarius recentioris theologiae catholicae, tom.