Destiny- Pioneer Bonnet... This was the pattern I ended up using, easy to follow.
Make a Pioneer Sun Bonnet / Hat without using a paper pattern... fabric... elastic... interfacing...
Tutorial - Basic Pioneer Bonnet by Given Moments
The Waag Blaag: Three Dollars, Two Fabric Quarters, One Fun Sunbonnet!
Crafty - Sewing
My Cotton Creations: Pioneer Bonnet Tutorial
Prim How-Tos/To Make
Pioneer Trek Clothing Patterns | Hunter West Stake Trek: Design your own pioneer duds
Pioneer Bonnet Pattern. Free pdf download. I had one of these. We got it at the National Western Stock Show in Denver back in the late 70's or early 80's
Home Delicious: Pioneer Trek Week - How to Sew a Bonnet Tutorial
Free Sewing Pattern: Pioneer Bonnet -- Toddler, Child, and Adult Sizes
Sunset Family Living and Sunset Crochet Patterns via Etsy
Given Moments: Bonnet Tutorial. (I love the sunny yellow!) I like the way she attached the brim in this tutorial better than the buns and baskets tutorial.