Hannah and Lay Company (Traverse City, Mich.) Records, 1846-1931
8 linear feet (in 10 boxes) — 13 oversize volumes — 49 microfilms
The records of Hannah Lay Company have been divided into three series: Hannah and Lay Company Business Records and Hannah, Lay Mercantile Company, and Master Negative Microfilm.
The history of the arrangement and appraisal of the Hannah and Lay records has been fully described in an article in the American Archivist (Jan. 1976) by Larry Steck and Francis Blouin.