Wit, Frederik de. "Archiepiscopatus et Electoratus Trevirensis novissima delineatio exacte divisa in omnes suas praefecturas in hac quoque tabula accurate describitur Eyfalia Tractus." Map. Amstelodami: ex officina Frederici de Wit, [1680]. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:cj82ks95t (accessed April 19, 2024).