A lot of my posts contain how-to material, but these posts are specifically tutorials.
Sense and Sensibility Bodiced Petticoat
Whipped Gathering a Frill or Ruffle (from post about 1790s "cloak" construction)
Making Stroked Gathers on a Mid-Nineteenth Century Petticoat
Hairstyle Tutorial: A 1909 Edwardian Coiffure (with plentiful references)
Steampunk Black Dress Tutorial: Mid-Century Front Bodice Closure With Hidden Hooks and Eyes