The presentation will explain a low tech, highly productive and cheap method to unite in one digital tool museum comparison documentation from varied sources (paper publications, online database, online art market sales...). The method has been successfully applied to Indian art of the 16th-19th century to create a 23.000 art objects database, and a 35.000 object database on chinese art all period. The method is designed to be cheap, and minimize the manpower and monney required. The technical choices also ensure that the system won't be subject to obsolescence. It's simplicity enables an implementation on any basic windows computer at no cost except data storage. Half a day is sufficient to train a user. The system is versatile and can be upgraded with simple tech if the institution has money for it. It can be shared between institutions provided that local regulation on copyright autorize it as in France.