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- PKṬ
- Pañcakramaṭippaṇī of Parahitarakṣita (See La Vallée Poussin 1894 :: Japanese Academic Union Catalog Record)
- PKṬYM
- Pañcakramaṭippaṇī Yogīmanoharā of Muniśrībhadra (See Jiang and Tomabechi 1996 :: Japanese Academic Union Catalog Record)
- PSED
- A Practical Sanskrit-English Dictionary by V.S Apte (See Apte 1890 :: Japanese Academic Union Catalog Record)
- PU
- Pradīpoddyotana-nāma-ṭīkā-ṣaṭkoṭi-vyākhyā of Candrakīrti (See Chakravarti 1984 :: Japanese Academic Union Catalog Record)
- RD
- Rahasyadīpikā commentary of Vanaratna on Vasantatilakā Tantra (See Rinpoche and Dwivedi 1990 :: Japanese Academic Union Catalog Record)
- RṄGC
- Rim-lnga 'grel-chen (or sLob dpon klu sgrub mdzad pa'i rim lnga'i 'grel chen rdo rje 'chang chen po'i dgongs pa zhes bya ba) of Jo-nang Tāranātha (See Tāranātha 1976 :: Japanese Academic Union Catalog Record)
- RṄSG
- Rim lnga gsal sgron (or Rgyud kyi rgyal po dpal gsang ba 'dus pa'i man ngag rim pa lnga rab tu gsal ba'i sgron me) of rJe Rinpoche bLo-bzang Grags-pa (See Tsong-kha-pa, The Collected Works, 1975–, vol. 11 :: Japanese Academic Union Catalog Record)
- SBS
- Sarvabuddhasamāyoga Tantra
- S[K]P
- Svādhiṣṭhāna-[krama-]prabheda of Āryadeva (See Pāṇḍey 1990 :: vol. X (1990), pp. 3-24, Japanese Academic Union Catalog Record)
- SRS
- Samādhirājasūtra (See Vaidya 1961 :: Japanese Academic Union Catalog Record)
- SS
- Subhāṣitasaṅgraha (See Bendall 1905 :: Japanese Academic Union Catalog Record)
- STTS
- Sarvatathāgata-tattva-saṅgraha (See Horiuchi 1968 :: Japanese Academic Union Catalog Record)
- SUṬ
- Sekoddeśaṭīkā of Nadapāda (See Carelli 1941 :: Japanese Academic Union Catalog Record)
- SUT
- Saṃvarodaya Tantra (See Tsuda 1974 :: Japanese Academic Union Catalog Record)
- YST
- Yoginīsañcāra Tantra (See Pandey 1998 :: Japanese Academic Union Catalog Record)