The study of the Kharoṣṭhī script was recently invigorated by the discovery of the Gandharan Buddhist Texts, a set of birch-bark manuscripts written in Kharoṣṭhī, discovered near the Afghan city of Haḍḍā (compare Panjabi HAḌḌ ਹੱਡ s. m. "A bone, especially a big bone of dead cattle" referring to the famous mortuary grounds if the area): just west of the Khyber Pass. The manuscripts were donated to the British Library in 1994. The entire set of manuscripts are dated to the 1st century CE making them the oldest Buddhist manuscripts in existence.