Author Title Publisher Year Country All Spain Portugal Latin America Subject All AGRICULTURE ANTHROPOLOGY ASTRONOMY AUX.Y SCIENCES OF HISTORY BIOLOGY. NATURAL HISTORY BOOKS AND LIBRARY SCIENCE BOTANY CHEMICAL TECHNOLOGY CHEMISTRY CIVIL ENGINEERING ECONOMY EDUCATION ELECTRICAL ENG. FINE ARTS GENERAL WORKS GEOGRAPHY GEOLOGY HEALTH SCIENCES HISTORY AND DESCRIPTION HOME ECONOMICS HUMAN ANATOMY INDUSTRY LANGUAGE LAW LITERATURE MACHINERY MATHEMATICS MICROBIOLOGY MILITARY SCIENCE MINING ENG. METALLURGY MUSIC NAVAL SCIENCE OCEANOGRAPHY PHILOSOPHY PHOTOGRAPHY PHYSICS PHYSIOLOGY POLITICAL SCIENCE PSYCHOLOGY RANCHING RECREATION, LEISURE RELIGION SCIENCE SOCIAL SCIENCES SOCIOLOGY TECHNOLOGY TRANSPORT. & COMMUNIC. ZOOLOGY Language All Spanish Catalan Galician Basque Portuguese English OK