Former Owner
- Goodspeed's Book Shop2
- Gordon A. Block Junior2
- Hans Albrecht von Derschau2
- Harrison Wright2
- Harry C. Koenig2
- Harry Creswick2
- Henry Gee Barnard2
- Henry George Bohn2
- Henry Percy, 9th Earl of Northumberland2
- Henry Spelman2
- Henry Wyndham, 2nd Baron Leconfield2
- Hodgson & Co.2
- Homer D. Crotty2
- House of Sforza2
- Ida M. Havens2
- Imre Hodossy2
- Irene Ludwig2
- Isaac Foot2
- J. Martini2
- J. P. Gumbert2