- Department of Commerce. Bureau of the Census. Office of the Assistant Director for Operations. Geography Division. (3/13/1947 - 1968)
- National Archives at College Park - Cartographic
This item lists Enumeration Districts for: OH ED 62-31: SALEM TOWNSHIP, OAK HARBOR VILLAGE. OH ED 62-32: SALEM TOWNSHIP OUTSIDE OAK HARBOR VILLAGE, OTTAWA COUNTY INFIRMARY.