The Correspondence series contains material from 1865 to 1993 and is made up of letters, invitations, and announcements sent to and from family members. The correspondence not only documents significant life events, but also chronicles daily life in the mining communities of Tonopah and Candelaria, Nevada.

The Family Papers series contains family papers from 1845 to 1986 and consists of mining and stock certificates, receipts, newspaper clippings, and personal papers including report cards and diaries. It also includes fictional writing by Seymour Kimball Bradford. The series also includes papers belong to Nan Doughty documenting her personal and professional life, as well as her interest in her family history.