- Jagadīśatarkālaṅkāra. Jāgadīśī3
- Jagadīśatarkālaṅkāra. Pakṣatā--Early works to 18002
- Jagadīśatarkālaṅkāra. Tarkāmr̥ta1
- Jawharat al-tawḥīd (Laqānī, Ibrāhīm ibn Ibrāhīm)1
- Jesus Christ1
- Judgment Day (Islam)1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Miṣbāḥ fī sharḥ al-Miftāḥ1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Risālah al-kubrá fī al-manṭiq1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Shamsīyah2
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Taḥrīr al-Qawāʻid al-manṭiqīyah1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥ̣āshiyah ʻalá Lawāmiʻ al-asrār1
- Jānakīnātha Bhaṭṭācārya, active 16th century. Nyāyasiddhāntamañjarī2
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Language and languages--Philosophy8
- Lefèvre d'Étaples, Jacques,---15361
- Logic✖[remove]239
- Logic, Medieval2
- Manichaeism1
- Manuscript waste2
- Manuscripts149