Schut, Engelbert: Incipiu[n]t colores retho[r]icales cu[m] co[n]corda[n]cijs firura[rum] g[ra]maticaliu[m] collecti p[er] magistru[m] venerabile[m] engelbertu[m] leydis. [Niederlande] : [Drucker des Haneron], [um 1477]