Ravelry: Little One Preemie Baby Hat pattern by Linda Whaley
Knitting Pattern for Preemie Baby Hats, Sizes are Tiny, Premature and New-Born, Made in Double Knitting Yarn, 3 Sizes, Baby Hat Knitting Pattern, DK, KP586 : Amazon.co.uk: Home & Kitchen
Marianna's Lazy Daisy Days: Little Jay ~ Premature Baby Hats
64 Preemie Crochet Hat Patterns (Free) | AllFreeCrochet.com