By A Mystery Man Writer
Judy Tate takes us through her experience of working with pastels for the past 15 years and highlights the differences between soft, hard and oil pastels.
The Difference Between Soft, Hard and Oil Pastels
On Oil Pastels… – Sining ni Sing
Pastels: Everything You Need to Know Before Buying Soft, Hard, Oil or Pastel Pencils — Art is Fun
Soft Pastels vs Oil Pastels - Cowling & Wilcox
Difference Between Pastels and Oil Pastels
Guide to choosing pastels
Comparing Three Brands of Oil Pastels - Jackson's Art Blog
How to Paint With Pastels: 13 Steps (with Pictures) - wikiHow
What are some things to draw with oil pastels? - Quora