Cornell University's School of Industrial and Labor Relations hosts a fantastic web exhibit on the Triangle Shirtwaist Fire in 1911, complete with pictures, primary sources, and background information on urban sweatshops during the late-19th and early-20th centuries.

Objects discovered during archaeological excavations at Mt. Vernon provide us with some idea of the tools used in colonial clothing manufacture and in the ways in which slave clothing differed from George Washington's garb.

The Middle Tennessee State University Library offers a number of sites pertaining to clothing and fashion in American women's history.