- Headquarters of the Corps of Engineers (Washington)1
- Headquarters of the Corps of Engineers, War Dept (Washington)1
- Heliotype Print. Co. (Boston)1
- Hennepin Atlas and Publishing (Minneapolis, Minnesota), 19131
- Henricus Hondius (Amsterdam)1
- Henry Teesdale & Co.; London1
- Herman Moll (London)1
- Highway Dept (Warren, Minn.?), 19281
- Historical Society of Michigan (Ann Arbor, Mich)1
- Hodder and Stoughton (London)1
- Holman I. Pearl (Crosby, Minn)1
- Homann Erben (Nuremberg)1
- Homann Erben (Nürnberg)1
- Hotel Karersee (Karersee, Italy)1
- Hotel Rexford : (Boston), 18991
- Houghton, Mifflin (Boston)1
- Hölzel (Vienna)1
- Hudson Co (Minneapolis, Minn), 19211
- Hudson Map Co (Minneapolis)1
- Hudson Map Company (Minneapolis, Minnesota), 19221