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Science --- Science. --- Natural science --- Natural sciences --- Science of science --- Sciences --- Life Sciences --- General and Others

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Agriculture --- 15.50 general world history; history of great parts of the world, peoples, civilizations: general. --- Agriculture. --- Boeren. --- History. --- History --- Spain. --- Spain --- ca 900 --- -Serials --- Farming --- Husbandry --- Industrial arts --- Life sciences --- Food supply --- Land use, Rural --- Farms and Farming Systems --- agricultural development --- prehistoric agriculture --- tropical agriculture --- urban agriculture --- agribusiness --- agricultural aviation --- agricultural economics --- agricultural education --- agricultural engineering --- agricultural health and safety --- agricultural industry --- agricultural land --- agricultural law --- agricultural policy --- agricultural products --- agricultural programs and projects --- agricultural research --- agricultural resources --- agricultural statistics --- agrochemicals --- agroclimatology --- agroecology --- agromedicine --- agrometeorology --- animal production --- crop production --- farming systems --- farms --- primary sector --- Espagne --- Espainiako Erresuma --- España --- Espanha --- Espanja --- Espanya --- Estado Español --- Hispania --- Hiszpania --- Isupania --- Kingdom of Spain --- Regne d'Espanya --- Reiaume d'Espanha --- Reino de España --- Reino d'Espanya --- Reinu d'España --- Sefarad --- Sepharad --- Shpanie --- Shpanye --- Spanien --- Spanish State --- Supein --- Agricultura --- Boeren --- Histoire. --- Historia