Source of the history of Kullu

• Colonel A.P.F Harcour in his book “Kooloo, Lahaul, and Spiti - Kullu’s history
• Kulantapitha Mahatmya: A Sub-booklet under Bhramand puran
• Ancient Tibetan chronicle “rGyal-rabs” book of the kings called it as "Nyunti"
• Kashmiri chronicle “Jonaraja”
• Nirmand plate of 7th century granted by Raja Samudra Sen(unidentified)
• Oldest record: Coin of Raja of Kullu named ‘Virayasa’: Rajna Kolutsya Virayasasya - Virayasasya The Raja of Kulluta
• Salari rock inscription: Kullu under Chandragupta
• Buddha stupa by Ashoka