Donor
- H. E. Driver1 objects
- H. E. Hanks8 objects
- H. J. Biddle1 objects
- H. R. Balfour10 objects
- Hamilton Hess29 objects
- Hamlin-Jose Pony Express Foundation24 objects
- Harold Colyer Conklin54 objects
- Harold F. Gray1 objects
- Harold H. Ashton1 objects
- Harold Heath8 objects
- Harold J. Murphy13 objects
- Harold K. Schneider1 objects
- Harriet Allison4 objects
- Harry Marcus Weston Edmonds3 objects
- Harry Neumann14 objects
- Harry S. Swarth1 objects
- Harry Starr Riddell Jr.12 objects
- Harwood A. White2 objects
- Helen Alice Burling2 objects
- Helen Huggins Wells1 objects