Heart Sutra
The titles of the earliest extant manuscripts of the Heart Sutra all includes the words "hṛdaya" or "heart" and "prajñāpāramitā" or "perfection of wisdom". Beginning from the 8th century and continuing at least until the 13th century, the titles of the Indic manuscripts of the Heart Sutra contained the words "bhagavatī" or "mother of all buddhas" and "prajñāpāramitā".