Ralph Douglass

Calligraphic Lettering with Wide pen & Brush by Ralph Douglass a classic resource first published in 1949 has been reprinted numerous times in the past 6 decades, and for good reason. This book has been so widely published that it is easy to locate a copy either new or used.

http://nicolevlozano.blogspot.com/2010/03/new-acquisitions-to-sacg-library.html

Well-used, still useful, practical learning for calligraphy.