Series III. Diaries contains continuous diaries from 1889-1925 and one diary for 1948. The series also contains one account book from 1905-1906 detailing Abbot's expenses at Bryn Mawr College. The diaries begin as childhood diaries detailing school and play dates. They later detail social engagements and family matters. The diaries for 1905-1909 detail her time at Bryn Mawr College. The diary for 1907 is labeled by Abbot as "absolutely private."