Here are some free patterns for knitting fingerless mittens

Kids Fingerless Mittens
Knit these up in an evening using variegated yarns.
Fraser Ridge Fingerless Mitts
Learn How to Knit Fingerless Mittens
These mittens are reversible – knit in reverse stocking stitch and twisted moss stitch.
2 Hour Fingerless Mitten Pattern
Optimistic Mittens
Knit these fingerless mittens in superwash merino wool.
Gum Drop Handwarmers
Fast and Easy Fingerless Mitts
Knit these mittens in worsted weight wool – using just 50 grams of yarn.

V&A 1940’s Knitting Patterns

Free Knitting Patterns
Simple Scarf Pattern
Seed Stitch Hat
Norwegian Lichen Slippers
Knitted Socks

AMAZON – Knitting Books
Knitting Hats & Mittens from Around the World: 34 Heirloom Patterns in a Variety of Styles and Techniques
Solveig Larsson’s Knitted Mittens: Over 40 Wearable Patterns Inspired by the Landscape, Legends, and Lasting Traditions of Northern Sweden

EBAY Handspun Art Yarns
HANDSPUN ART YARN – US

HANDSPUN ART YARN – UK