The pattern, by Lipp Holmfeld, can be found in Vogue Knitting Winter 1990/91.
It is included in an article by Mary Rowe and references her book, Knitted Tams, 1989.
Sock Madness 8, Round 4 bonus sock, Cathedrals by Gina Meyer, aka Nikiana on Ravelry.
NB: Sock Madness patterns not available yet, possibly around the end of June?
Sock Madness 8, Round 4 competition socks, Shakertown Fences by Lorain Pettit, aka rainbowknittr on Ravelry.
Sock Madness 8, Round 3 bonus socks, Amalia by Mylene Pijpers, aka RMyleneP on Ravelry