He took great interest in the monumental Thesaurus Linguae Latinae, and it was chiefly owing to his efforts that the government of Saxony was induced to assist its production by a considerable subsidy.
While Assistant Professor at Harvard, he was Professeur Invité at the École Normale Supérieure in Paris in 2007 and the APA fellow at the Thesaurus Linguae Latinae in Munich in 2008/09.