The Women's Auxiliary Army Corps was established on May 14, 1942.
The Women Veterans Historical Collection includes a wealth of primary sources. See the Army section (WAAC, WAC, Nurse Corps) for an excellent selection of diaries, letters, papers, photographs, published materials, posters, uniforms, artifacts, and oral histories.
Image caption/link: World War II era recruiting poster for the Women's Army Auxiliary Corps (WAAC).
Caption: First of WAACS Arriving: Young Women of 48 States Begin Training
The Iowa Digital Library's World War II Press Clippings collection includes more than 1700 clippings about the Women's Auxiliary Army Corps.