1451的初始版本。 The series of articles "The history of the design of a contemporary typeface" in which Albert-Jan Pool published many of his findings on the history
[5 March 2017]. (原始内容存档于2017-03-05). Lawson, Alexander. Anatomy of a Typeface. New York: David R. Godine. 1990: 270–294 [6 March 2016]. ISBN 9780879233334
Catherine, Twentieth Century Graphic Communication: Technology, Society and Culture, 2002 Typeface Classification.pdf?forcedownload=1 Typeface classification