Basics Year (Gregorian calendar) 508 Scholarship and Resources Scholarship Yuyama 1987 Eugêne Denis 1977 Eugene Denis 1976 Louis de la Vallee Poussin Paul Mus 1939 Paul Mus 1939 Paul Mus 1939 Dietz 1989b Dietz 1989c Walther Heissig 1988 Editions Kalpakam Sankaranarayanam, Kazunobu Matsudu and Motohiri Yoritami ain 2002 Visualization + − Manuscript Institution Work Site Extract Collection Person Print