letterG Gravell Watermark Archive

Supplemental Reference Materials

An inventory of the "Papiers Briquet" (Bibliothèque publique et universitaire, Geneva); an annotated English translation of the same.

"The Wizard of Watermarks"

Samuel L. Sotheby, Principia Typographica  London, 1858 (Volume 3: "Paper-Marks": "BOOKS FROM THE PRESS OF WILLIAM CAXTON)"

How to make contact prints using Du Pont DYLUX® Proofing Paper (from the Archive of Papers and Watermarks in Greek Manuscripts)

Institute of Paper Science & Technology

SOBER (Small Opening Book Examiner and Recorder) and other tools (Ian Christie-Miller)