Media latinitas : A collection of essays to mark the occasion of the retirement of L.J. Engels - Nip, Renée 1945-; Dijk, H. J. van (S.C.J.); Kortekaas, G.A.A.; Kneepkens, Corneille Henri 1944-; Houts, E.M.C. van (Instrumenta Patristica (Brepols), 1996)