Georg Friedrich Wehrs: Vom Papier, den vor der Erfindung desselben üblich gewesenen Schreibmassen, und sonstigen Schreibmaterialien (Halle: J. J. Gebauer 1789)
- Digitized:
> Google Books (Book from the collections of New York Public Library, digitized 3 May 2006) – some pages poorly scanned
> Internet Archive (Book from the collections of New York Public Library, digitizing sponsor: Google)- some pages poorly scanned - Bibliographic reference: Löwendahl 0662 (referring to 1st ed. (1788))
- Entry in Wiener China-Bibliographie
Review (in German): Allgemeine Literaturzeitung, Jahrgang 1788, Band 3, Numero 233b, col. 857-864.