Godey's Lady's Book
19th century women's magazine, included pictures and details of current fashions along with some patterns for embellishments & accessories.
ARTstor is a digital library with over 1.6 million digital images, many of them in fashion.
Some highlighed fashion image collections that ARTstor has are:
Use the ARTstor subject guide or the ARTstor fashion blog for more information on the many images available in ARTstor.