Former Owner
- Ibrāhīm al-Shakūrī1
- Imre De Vegh2
- Institut für Orientalistik (Universität Wien)1
- Isaac Foot2
- J. E. Schulte1
- J. Meade Falkner1
- Jacopo Ripanda1
- Jacques Auguste de Thou1
- Jacques Rosenthal2
- James & Mary Lee Tregaskis (Firm)1
- James F. Drake1
- James Halliwell-Phillipps1
- James K. Moffitt1
- James Ley, 1st Earl of Marlborough1
- James Lyell1
- James Rathwell Page1
- James Rimell & Son1
- James Stevens-Cox1
- Jan Six VII1
- Jean-Jacques Charron1