 After the publication of his two-volume work, he was awarded an honorary doctorates by the "Institut supérieur de philosophie" (Higher Institute of Philosophy) of Louvain in 1913.Grabmann was called to the University of Vienna in 1913 to fill the chair of Christian philosophy at the Faculty of Theology.There, he completed pioneering research on the history of Aristotelianism in the 13th century which was published in 1916 as "Forschungen über die lateinischen Aristoteles-Übersetzungen des XIII.