Constantini Caesaris selectarum praeceptionum, de agricultura libri uiginti

Compilation by an unknown writer of agricultural information from various sources, chiefly from the writings of Cassianus Bassus (5th or 6th cent.); the compilation was made at the behest of the Emperor Constantine VII Porphyrogenitus and is hence sometimes wrongly ascribed to him, as also sometimes to Cassianus Bassus, equally wrongly)