I have been collecting up these links for inspiration. Maybe they will pique your interest too!
Elizabethan Hand Knit Hose
Glamarama: Vintage Knitting Patterns,
Godey's Lady's Book: 1852-1860
HJS Studio Tutorials: WWI and WWII Knitting Patterns
Lady's Treasury of Costume and Fashion: The Work-Table
Once Upon A Pattern
The Victoria and Albert Museum: 1940s Patterns to Knit
The Vintage Connection: Knitting Patterns
Two Sisters Vintage
White Lies Designs
Yarn Lover's Room: Antique Knitting Patterns
Yarn Lover's Room: Antique Crochet Patterns
More to come...