A convenient search bar can be found at each of the sites listed to the right for stock designs.
Secrets of Embroidery
Dakota Collectibles
BFC Creations
Embroidery Arts | Just Monograms
Sample of small monograms for embroidery on shirt cuffs, handkerchiefs, jacket linings, etc.
Embroidery Library
Zundt | Free Standing Lace Designs
Balboa Designs