Urban sketching and other stuff
Citizen Sketcher
Drawing Foundations: Urban Sketching Online Class
Combining Collage and Urban Sketching
Everything you NEED to Start Urban Sketching
Urban Sketching Tutorial Starting a Sketch - Urban Sketching
Start Urban Sketching: A Practical Beginners Guide
Draw Your World: Sketch with Pen and Brush Expressively, Jen Dixon
Start Urban Sketching: A Practical Beginners Guide
A Brief Guide to Perspective // Urban Sketching for Beginners