Title
- On the martrydom of Ḥusayn1
- Opisanīe novyi͡a zemli Sibirskago gosudarstva, v" kotoroe ono vremi͡a i kakim" sluchaem" dostalos' za Moskovskoe gosudarstvo, i kakoe toĭ zemli︠e︡ polozhenīe1
- Opusculum de formandis epistolis1
- Or ha-sekhel and Sefer ha-Shem1
- Orationes1
- Order1
- Ordinances1
- Oreste e Pylade1
- Organon1
- Orthographia1
- Ottoman Turkish expansion on qaṣīdat al-Burdah1
- Ottoman letters1
- Ouidius de remediis amoris1
- Oṃ gaṃ1
- Padārthakhaṇḍanavyākhyā tīkā1
- Painted manuscript leaves1
- Painting1
- Paks̄adharmatā1
- Pakṣatāgrantha1
- Pakṣatārahasya1