Link: Free Photo Reference for Artist's Pen, Ink, Watercolor Sketching, etc.

Marguerite Meara reminded me of this site full of free reference photos. 

• www.peninkwatercolorsketching.com/free-sketching-photographs.htm
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  Free Photo Reference for Artist's Pen, Ink, Watercolor Sketching - PenInkWatercolorSketching.com

  www.peninkwatercolorsketching.com

  Free Reference Photographs and Sketching Exercise Sheets, Pen, Ink, Watercolor Wash Sketching Tips, Sketchbooks, Art History - Drawing and Sketching art materials drawing sketchbooks art book painting tips by Pat Van Kirk Wilson waterbrush waterproof inks plein air painting kits watercolor paper ske...