Austrian biographical encyclopedia oebl c maren jeleff photography the austrian biographical encyclopaedia continues a tradition of biographical entries that goes back to constantin von wurzbach and his 60 volume work biographical encyclopaedia of the austrian empire published in 1856 1891. Nritham dance academy events workshops picture. Oriental examination board london oebl is an independent body it functions as a common body conducting public examinations in south indian fine arts for all organisations.