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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Clases sociales</topic></authority><related type="narrower"><topic>Burguesía</topic></related><related type="narrower"><topic>Campesinado</topic></related><related type="narrower"><topic>Clase media</topic></related><related type="narrower"><topic>Proletariado</topic></related><related type="narrower"><topic>Clero</topic></related><related type="narrower"><topic>Plebe</topic></related><related type="narrower"><topic>Castas</topic></related><related type="narrower"><topic>Lucha de clases</topic></related><related type="narrower"><topic>Movilidad social</topic></related><related type="narrower"><topic>Nobleza</topic></related><related type="other"><topic>Grupos sociales</topic></related><related type="other"><topic>Historia social</topic></related><related type="other"><topic>Desigualdad social</topic></related><related type="other"><topic>Política</topic></related><variant type="other"><topic>Capas sociales</topic></variant><variant type="other"><topic>Jerarquía social</topic></variant><variant type="other"><topic>Categorías sociales</topic></variant><variant type="other"><topic>Estratificación social</topic></variant></mads>