Publishers
- Hulton Press Ltd. 6
- Humana Press 1
- Humber Paddle Steamer Group 1
- Humboldt Books 1
- Humphrey Milford 132
- Humphrey Toulmin 1
- Hungarian Technical Publishers 1
- Hunkydory Designs 1
- Hurst & Blackett 2
- Hurst & Blackett Ltd. 2
- Hurst & Co 1
- Hurtwood Press 1
- Hutchinson 19
- Hutchinson & Co. 11
- Hutchinson & Co. Ltd 17
- Hutchinson Australia 1
- Hutchinson Children's Books 5
- Hutchinson Education 1
- Hutchinson Junior Books 1
- Hutchinson Junior Books Ltd 2
- Hutchinson of London 6
- Hutchinson's Books for Young People 10
- Hutchinson's Scientific And Technical Publications 1
- Huw Morgan 1
- Hyperion 1
- Hythe Borough Council 1