The NSCAD Library provides images specifically related to fashion from a few resources.
ARTstor (Login Required) includes over a million art and design images, including thousands of costume and decorative arts images from a multitude of significant museum collections.
You can find lots of information, images and ebooks about the history of fashion and textiles from the Bloomsbury Fashion Central site, which includes the full Berg Fashion Encyclopedia. The Berg Fashion Library includes a colour image bank of more than 13,000 images,
The Commercial Pattern Archive database, CoPA, provides a unique tool for researchers and designers to recreate or date clothing from 1847 to present.
Journals and Magazines:
Fashion Practice Journal
Fashion Theory Journal
Victoria & Albert Museum
Metropolitan Museum of Art
Kyoto Costume Institute
Museum at FIT (Fashion Institute of Technology)
Los Angeles County Museum of Art (LACMA)
Manchester City Galleries