Anothe possibility is the archieve was closed so that Hillary was unable to get hold of the documentation not because she requested it done
Author Maya Angelou dies at 86 in North Carolina
By 17, she was a single mother. In her early 20s, she danced at a strip joint, ran a brothel, was married, and then divorced. But by her mid-20s, she was performing at the Purple Onion in San Francisco.
She worked as a coordinator for the Southern Christian Leadership Conference, and lived for years in Egypt and Ghana, where she met Nelson Mandela, a longtime friend;
and Malcolm X, to whom she remained close until his assassination, in 1965.
Back in the 1960s, Malcolm X had written to Angelou and praised her for her ability to communicate so directly, with her “feet firmly rooted on the ground.”
http://news.yahoo.com/author-maya-angelou-dies-86-north-carolina-151746880.html