Dudal, Rene. Soil map of Europe, 1:2,500,000. Explanatory text, - Rome, Food and Agriculture Organization of the United Nations, 1966. - vi, 120 p. 30 cm. LCCN: map67000570 Subjects--Topical Terms: Soils--Maps. --Europe LC Class. No.: G5701 / .J3 1965.F6 (Text) (Map)