Former Owner
- Kaikhusroo Minocher Jamaspasa2
- Kang Youwei1
- Karbalāʼī Muḥammad Ḥusayn Qāsimʹābādī1
- Karen L. Gould30
- Karl Anton, Prince of Hohenzollern1
- Karl F. Morrison2
- Karl Leopold Strauven1
- Karl Wilhelm Hiersemann8
- Kartause Erfurt1
- Karva, Lakṣmaṇabhaṭṭa2
- Katharinenkirche, Nuremberg2
- Katheline Minnis1
- Katherine Petersen1
- Katherine Somerset Wyttenbach Fenwick8
- Katholieke Universiteit te Leuven Universiteitsbibliotheek1
- Kavīndrācārya, ca. 1600-ca. 16751
- Keifer1
- Keith Jarvis4
- Kenneth J. "Bud" Jennings2
- Kenneth X. Robbins1