Finding aids can assist you in locating collections that hold primary source materials. For researching your female ancestors, the Discovering American Women’s History Online includes digital collections that document women’s history. You can either conduct a keyword search or browse the database by subject, locality, time period, or primary source type.
A search on the keyword Kansas brought up an online collection of diaries, correspondence, photographs and maps called Territorial Kansas Online, 1854-1861. Other states can be searched via a hyperlinked list.