rdf-syntax-grammar
mods:
  schema location: http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
  title info:
    non sort: El
    title: origen de la familia, la propiedad privada y el Estado
  name:
    name part: Engels, Friedrich
    name part: 1820-1895
    role:
      role term: creator
  origin info:
    place:
      place term: Moscú
    publisher: Progreso
    date issued: [1980?]
  language:
    language term: spa
  physical description:
    extent: 213 páginas
  note: Friedrich Engels.
  subject:
    topic: MATERIALISMO HISTORICO
  classification: 335.4 E57o
  record info:
    record identifier: 007425