[HENRI DE ROTHSCHILD - DOCTOR] ROTHSCHILD (Henri de). The dairy industry in Denmark. Production and trade of milk. Cow feeding. Control companies. Dairy school. Legislation on margarine. Manufacture and export of butter. Report addressed to the Minister of Agriculture. With 32 plates, 5 figures and 8 tables. Paris : Octave Doin, 1904. - In-4, paperback. Rare first edition. Copy on laid paper, well preserved despite tears in the cover.