1. Banik, G., 1997. Decay caused by iron gall inks. In: H. van der Wind (Red), Proceedings Workshop on Iron-Gall Ink Corrosion, Rotterdam (21–27). Museum Boijmans Van Beuningen and Netherlands Institute for Cultural Heritage.
2. Black writting ink of the colonial period;Barrow;Am. Arch.,1948
3. Assessment of physical and structural characteristics of almond gum;Bashir;Int. J. Biol. Macromol.,2016
4. All that is iron-ink is not always iron-gall;Bicchieri;J. Raman Spectrosc.,2008
5. Calcium phytate in the treatment of corrosion caused by iron gall inks: effects on paper;Botti;Restaurator,2005