Simple How-To-Knit Sock / Socken Stricken
A photo tutorial and generic sock pattern for knitting simple socks. Includes a comprehensive chart for knitting many different sizes of socks (sizing given in EU sizes and length of foot in cm).
Covers the welt, a round heel, and toe decrease
Leaflet comes free with yarn purchase.
Often comes along with the leaflet Sock Patterns for Regia 4ply and 6ply, which can be found here.