Photocopies of a handwritten autobiography and diary. Also included is a typescript of these items. Crosby joined the Mormon Church and followed that faith to Kirtland, Ohio and later to Nauvoo, Illinois. Crosby migrated to Utah in 1848. He served on missions for the Mormon Church in Canada, 1842-3, and in the South Pacific, 1850-2, where he spent most of his time in Tahiti. The diary covers the years 1850 to 1852.