Unison Soft Pastels are a professional quality pastel, handmade in the UK using the finest materials. They are made to Hersey's original recipes
Soft Pastels for Beginners. A free guide by Rebecca de Mendonça.
Unison Pastels – Art, Photo, Family
How Unison Colour Soft Pastels are Made (On Location)
Unison Soft Pastels - Greys Gwartzman's – Gwartzman's Art Supplies
Unison Handmade Soft Pastels and Sets
Using Black Paper For Pastel Painting - How to Pastel
Inscribe Soft Pastels chalks set of 48 half sticks
The Difference Between Soft, Hard and Oil Pastels, soft pastel
Blog posts by Tanith Hindley
Soft Pastel Techniques to Learn - Welcome To Nana's, soft pastel