Here are links to different sites and shops with doll sewing patterns.

Absolutely gorgeous patterns in a variety of styles that are easy to follow

A huge variety of styles and sizes

MSD/MDD/Smartdoll patterns

Free patterns with video tutorials for a variety of sizes

Iplehouse patterns

Pay-what-you-want MDD/DDP/DD patterns

Patterns in a big variety of styles for 1/6, 1/4, and 1/3 dolls--somewhat sparse instructions, but includes easily alterable base patterns for many doll sculpts

Patterns for a variety of sizes, some with tutorials, in gorgeous fantasy styles

Some of these sites I haven't tried making patterns from. If you have any concerns or suggestions let me know!