As a philologist some of his dissertations were reproduced in the Thesauri of Grævius and Gronovius.
Jan Frederik Gronovius (also Johannes Fredericus) (1686–1762), Dutch botanist
Throughout his life he corresponded with continental scholars, by whom he was much esteemed, as evidenced by Gronovius's dedication to Ellys of his edition of Ælian's Varia Historia, and the Wetsteins' edition of Johann Caspar Suicer's Thesaurus Ecclesiasticus, to which he had contributed the use of a manuscript.