@book {Briquet1923, title = {Les filigranes. Dictionnaire historique des marques du papier d{\`e}s leur apparition vers 1282 jusq{\textquoteright}en 1600}, year = {1923}, publisher = {Hiersemann}, organization = {Hiersemann}, edition = {2}, address = {Leipzig}, author = {Briquet, Charles M} }