The Jacobs family letters are correspondence between Zina Diantha Huntington Jacobs Smith Young, Henry Bailey Jacobs, and their son, Henry Chariton Jacobs. In addition to these letters, there are also diary excerpts from Zina and Henry's other son, Zebulon Jacobs. The collection consists of two folders and is 123 pages in length. The dates of the correspondence ranges from 1846-1915.

Handwritten correspondence, notes, poems, drafts of speeches, and miscellaneous items. The materials relate to family matters, questions on Mormon polygamy, Mormon doctrine, and Baker family history.