All surviving epigraphical evidence from grave markers and public inscriptions is in Greek. These inscriptions also correspond to some of the first known epigraphical inscriptions in Sanskrit. The earliest epigraphical inscriptions found in Trincomalee city are in the Tamil language. Besides epigraphical evidence, an important source of information on early Celtic is toponymy. The Nagarjunakonda inscriptions are a series of epigraphical inscriptions found in the area of Nagarjunakonda. Their existence, albeit small in quantity, is indicated through epigraphical and literary evidence. However, later epigraphical evidence and scholarship suggest that this theory has no historical basis. The Semitic Seminary, given one term each year, was dedicated to epigraphical studies. The text has also been dated with the help of epigraphical evidence. Raichur is very rich from the epigraphical point of view. Marshall established the post of Government epigraphist and encouraged epigraphical studies. In 1968, the block was removed and placed in the Epigraphical Museum of Athens. Writing in Sanskrit (Epigraphical Hybrid Sanskrit, EHS) appears in the 1st to 4th centuries CE. There is no other instance of the name "Shunga" in the epigraphical record of India. The "Om" symbol, with epigraphical variations, is also found in many Southeast Asian countries.