According to the Arts and Humanities Citation Index in NUMBER@1 , PERSON@1 was cited as a source more often than any other living scholar during the NUMBER@2 -- NUMBER@3 period , and was the eighth most-cited source .

According to the Arts and Humanities Citation Index in NUMBER@1 , PERSON@1 was cited as a source more often than any other living scholar during the NUMBER@2 -- NUMBER@1 time period .
