Former Owner
- Jean-Baptiste Denis Guyon de Sardière1
- Jean-Louis Girardin de Vauvré1
- Jeannette Piccard1
- Jeremiah Styles1
- Jeronimus Maelens1
- Joachim Guerrinus de Montefegatesio1
- Joachim Windhag1
- John Boykett Jarman1
- John Cochran1
- John Dozier Gordan1
- John Eliot Hodgkin1
- John Estmond1
- John Hope, 1st Marquess of Linlithgow1
- John Ives1
- John Walker1
- Joost Ritman1
- Katholieke Universiteit te Leuven Universiteitsbibliotheek1
- Klaus Dieter Dahmen1
- Laurent Campagne1
- LeMare1