Index: no strict chronological order. Most of the letters are post 1900 with the majority of them dated in the 1940s.

Correspondence: these letters are mostly to mother superiors and various Sisters of Charity with numerous letters to Mother Ann Sebastian. These letters are from sisters, as well as priests, and bihsops, as well as a vew lay people. Letters are thank yous, requests for prayers, letters about mission life, tributes, etc.