nṛsiṃha versies

references to Narasiṃha are found
in a wide variety of the Puranic scriptures
with seventeen versions of the main narrative !

some in more detail than others:

- The Bhagavata Purana (Canto 7)
- Agni Purana (4.2-3)
- Brahmanda Purana (2.5.3-29)
- Vayu Purana (67.61-66)
- Harivamsa (41 & 3.41-47)
- Brahma Purana (213.44-79)
- Vishnudharmottara Purana (1.54)
- Kurma Purana (1.15.18-72)
- Matsya Purana (161-163)
- Padma Purana (Uttara-khanda 5.42)
- Shiva Purana (2.5.43 & 3.10-12)
- Linga Purana (1.95-96)
- Skanda Purana 7 (2.18.60-130) and
- Vishnu Purana (1.16-20) 

all contain depictions of the Narasimha Avatar.

there is also a short reference

- in the Mahabharata (3.272.56-60) and a
- Tapani Upanishad (Narasimha Tapani Upanisad), earliest of
Vaishnava Upanishads named in reference to him