Knit 2 Socks in 1: Discover the Easy Magic of Turning
Birkenwasser knits: 2016
Birkenwasser knits: December 2017
52 Weeks of Socks Volume II Book by Laine
Birkenwasser knits: June 2016
Pattern Previews for 52 Weeks of Socks – Laine Publishing
Laine - 52 Weeks of Socks - Paperback Edition - Yarn Worx, 52 Weeks Of Socks
Birkenwasser knits: U-Turn socks
Ravelry: Fade it! Socks pattern by Katrine Birkenwasser
Pattern Previews for 52 Weeks of Socks – Laine Publishing