Izvori

Albro Rodgers, Sylvia. Fabriano: City of Medieval and Renaissance Papermaking. Washington .D. C.: Oak Knoll Pr., 2016.

Mazzoldi, Leonardo. Filigrane di cartiere Bresciane. Brescia: Ateneo di Scienze Lettere ed Arti, 1991. Dostupno na: www.ateneo.brescia.it/

Scianna, Nicolangelo. Watermarked Paper from Archives in Ravenna (1287-1693). In series Bibliologia (BIB 43). Turnhout: Brepols Publishers, 2018.

Bernstein-the memory of paper: www.memoryofpaper.eu/BernsteinPortal/appl_start.disp

BO- Briquet online: briquet-online.at/

Catálogo de filigranas (marcas de agua): www.academiacolecciones.com/dibujos/catalogo-filigranas.php

Corpus Chartarum Fabriano: https://ccf.fondazionefedrigoni.it/en/

Piccard watermark collection: www.piccard-online.de/struktur.php?sprache=en

Portal Pisana baština. Katalog vodenih znakova VoZnaZD: https://pisanabastina.unizd.hr/?pc=l&class=10027&ps=25