Some well-regarded papers on sexism in CS, which are still relevant as is evident from some comments in this thread.
 Why are There so Few Female Computer Scientists (Ellen Spertus, 1991)
 How to Encourage Women in Linux (Val Henson, 2002)
 What Happens to Us Does Not Happen to Most of You (Kathryn S. McKinley, 2018)
 Unlocking the Clubhouse: Women in Computing (Jane Margolis and Allan Fisher, 2001)
 The Elephant in the Valley (by Michele Madansky and Trae Vassallo, 2015)