101 textures in colored pencil: practical step-by-step drawing techniques for rendering a variety of surfaces and texturesby Denise J. Howard, 2017
101 textures in graphic and charcoal: practical drawing techniques for rendering a variety of surfaces and texturesby Steven Pearce, 2017
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Beginning pen and ink: tips and techniques for learning to draw in pen and ink by Desarae Lee
Drawing the line technical hand drafting for film and television by David McHenry
Drawing with pen and ink and a word concerning the brush by Guptill A.L.
European drawings, 1966
How to draw manga Vol. 30 pen tone techniques
How to draw with a ballpoint pen: sketching instruction, creativity starters, and fantastic things to draw by Gecko Keck, 2016
Pen drawing: an illustrated treatiseby Charles D. MaGinnis
Pen and ink drawing workbook by Alphonso Dunn
Pen and pencil drawing techniquesby Harry Borgman, 1999
Pen and Parchment in the Middle Ages by M elanie Holcb, 2009
Pencil art workshop: techniques, ideas, and inspiration for drawing and designing with pencil by Matt Rota, 2017
Picasso and the age of iron, 1993
Sketching: drawing techniques for product designers by Koos Eissen and Roselien Steur
The illustrated guide to pen and pencil drawing techniquesby Harry Borgman, 1989
Pen And Ink drawing Workbook by Alphonso Dunn (z-lib.org).pdf
Pen And Ink drawing Workbook by Alphonso Dunn (z-lib.org).pdf