Former Owner
- William Harrison Woodward1
- William Herbert1
- William Horatio Crawford1
- William Inglis Morse1
- William J. Shaw1
- William Jones1
- William King Richardson1
- William Salloch2
- Wolfgang Sigismund, Graf von Gallenberg1
- Wolfgang Täxer1
- Wolfman, Wm1
- Ya'akov Yisra'el Levenshtam6
- Yitzhak Nahum Kuzi1
- Yāsīn ibn ʻAbd al-Wahhāb al-Siṭrābī1
- Yūsuf ibn Shaykh Muḥammad Jamālī1
- Zane, Hieronymus1
- Zāwiyah al-Nāṣiriyah1
- al-Ḥājj ʻAbd al-Qādir ibn al-Sayyid ʻAbd Allāh al-Asṭawānī1
- convent of San Pedro Regalado1
- Álvar Gómez de Castro1