Creator
- Hart, Henry (Civil engineer)1
- Haske, Donald C.1
- Hearding, W. H. (William Hellins)1
- Heliotype Printing Co.1
- Highway Planning Survey (Mich.)1
- Hillman Chamber of Commerce1
- Historic Memorials Society (Detroit, Mich.)1
- Historic Urban Plans (Firm)1
- Historic Urban Plans (Firm) http://id.loc.gov/authorities/names/n81127555 http://viaf.org/viaf/1324451251
- Holcroft, John1
- Homer Warren and Company.1
- Hotchkiss & Mercer1
- Hotchkiss, George Woodward, 1831-1
- Houghton County (Mich.)1
- Hurd-Martin Co. (Formerly Hurd-Wheeler Co.)1
- Ingham County Road Commission1
- International Society of Christian Endeavor1
- Ionia County Road Commission1
- Iosco County (Mich.)1
- Iosco County Road Commission1