Former Owner
- Domenico Toschi1
- Domenico Turazza1
- Dominican Nunnery Holy Cross1
- Donato Acciaioli1
- Donaueschingen court library1
- Dorothy Abbe7
- Dr. Brooks1
- Draycot House1
- Drew Theological School1
- Dropsie College for Hebrew and Cognate Learning25
- Duke C. Visconti di Modrone1
- Duncan Beresford-Jones1
- Duncan Campbell1
- Dājīkhaṃḍe Rāvadoṃḍrībāla1
- Dāḍekara, Bhāskarabhaṭṭa1
- Dīna-Nātha1
- E. Dwight Church9
- E. M. Sowter1
- E. P. F. Cooper2
- E. Panousis1