(1936) Swiss typographer and teacher recognized as an authority on type and type design, also an editorial collaborator for the Typografische Monatsblätter for over 20 years and designed numerous typefaces including Unica, as part of ‘Team 77’.
- Friedl, Friedrich, Nicolaus Ott, and Bernard Stein. Typography: an Encyclopedic Survey of Type Design and Techniques throughout History. New York: Black Dog & Leventhal, 1998, pp. 262–263
- Macmillan, Neil. An A-Z of Type Designers. New Haven, CT: Yale UP, 2006, pp. 97–98
- Interview with André Gürtler, January 21, 2011
- ‘André Gürtler - Linotype Font Designer Gallery’
- ‘Gret Und Christian Mengelt - Schriftgestaltung/Typedesign’