Women's travel accounts of the 19th and 20th centuries.
The resources listed here are not the only ones available. Many others are in print or microform and can be found by searching library catalogs, like CMU's library catalog, or Worldcat, a database of library holding throughout the world (though mainly U. S.). Use some of these terms combined with your topic:
personal narratives
diaries
sources
correspondence
interviews
pamphlets
speeches
early works to 1800
For example:
women and diaries
slavery and "early works"