2002: Bringhurst, Robert, The Elements of Typographic Style (version 2.5), Vancouver, Hartley & Marks. →ISBN.
p 103: The original boldface printing types are the blackletters used by Gutenberg in the 1440s. For the next two centuries, blackletter fonts were widely used not only in Germany but in France, Spain, the Netherlands and Engand.
p 106: Mixing Latin letters with Hebrew or Arabic is, in principle, scarcely different from mixing roman with blackletter or serif with sans.
p 289: Blackletter is to typography what Gothic is to architecture: a general name for a wide variety of forms that stem predominantly from the north of Europe.
