Contains six photocopied journals written by Frederick Crook. Five of the journals were written during the time that he served as a Mormon missionary in the Northern States mission, and the sixth was written the year immediately following his return. The journals contain information about day to day life, both as a missionary and as a husband, father, and farmer.

Contains annual volumes of randomly organized reminiscences of his life, including childhood in Salt Lake City and Provo, Utah; scouting; family; missionary service; education and profession; the building of the Provo and Jordan River temples; and work at Brigham Young University, including interactions with Ernest L. Wilkinson and Dallin H. Oaks. Also includes addresses and poems by Lewis, an oral history, and Lewis family history. Materials dated 1944-2003 (bulk: 1988-2003).