and Otto Posse, and French scholars including Louis Douët d'Arcq and GermainDemay. Sigillography is also an important subdiscipline of Byzantine studies
Emmanuel Frémiet, Pierre Louis Rouillard, Henri Alfred Jacquemart, GermainDemay [fr], and Houguenade. Rouillard's wild animals in the Cour Lefuel Rouillard's
seigneurs de Coucy", Parijs 1728. GermainDemay: "Inventaire des sceaux de la Flandre", part I, Paris 1883 GermainDemay: "Inventaire des sceaux de la collection