The Agni Purana, Padma Purana, Garuda Purana, Linga Purana, Narada Purana, Skanda Purana and Varaha Purana mention the common (Krishna, Buddha) Dashavatara list.The Garuda Purana has two lists, one longer list with Krishna and Buddha, and a list with Balarama and Buddha, which substitutes Vamana for Rama. The Shiva Purana has Balarama and Krishna. 