Speedball Textbook, 25th edition.
Scripsit Vol. 42, No. 1: The New Wave of Lettering Artists
The Calligraphy Ideas Book: Inspiration and tips taken from over 80 artworks by Lyndsey Gribble, published by Octopus Books
Calligrafest: interview with the speakers of the 4th international calligraphy and lettering festival Calligrafest 2020 at calligrafest.ru