Former Owner
- Emmanuel Fabius1
- Engelbert Charles, 10th Duke of Arenberg1
- Engelbert, 8th Duke of Arenberg1
- Enoch of Ascoli1
- Entered the library between 1877 and 1900 as suggested by the hyphenated form of the city name in the library stamp on f. 1 as "The College of the City of New-York."1
- Enyego d'Àvalos1
- Ercole Silva1
- Eric Hyde Lord Sexton1
- Eric von Rosen1
- Ernest Baker1
- Ernest Stroehlin1
- Ernesto Moliné y Brasés1
- Ernst Christian Moser1
- Ernst Ludwig von Leutsch1
- Ernst Philip Goldschmidt1
- Ernst Schultze1
- Ernst Weil1
- Erwin Rosenthal1
- Estelle Doheny1
- Esther Bradford Aresty1