{"record":{"leader":"cx  b22     3  45","datafield":[{"ind2":" ","ind1":" ","subfield":[{"code":"a","content":"http://viaf.org/viaf/305107522"},{"code":2,"content":"VIAF"},{"code":"C","content":"VIAF"},{"code":"d","content":20200401}],"tag":"035"},{"ind2":" ","ind1":" ","subfield":{"code":"a","content":"20130704afrey50      ba0"},"tag":100},{"ind2":" ","ind1":" ","subfield":{"code":"a","content":"ES"},"tag":102},{"ind2":" ","ind1":" ","subfield":[{"code":"a","content":1990},{"code":"b","content":1990}],"tag":103},{"ind2":" ","ind1":" ","subfield":[{"code":"a","content":0},{"code":"b","content":1},{"code":"c","content":0}],"tag":106},{"ind2":" ","ind1":" ","subfield":{"code":"a","content":"AFNOR"},"tag":152},{"ind2":2,"ind1":1,"subfield":[{"code":7,"content":"ba0yba0y"},{"code":"a","content":"Congreso de la Asociacion de historia social"},{"code":"d","content":"01"},{"code":"f","content":1990},{"code":"e","content":"Saragosse, Espagne"}],"tag":210},{"ind2":2,"ind1":1,"subfield":[{"code":7,"content":"ba0yba0y"},{"code":"a","content":"Asociacion de historia social"},{"code":"b","content":"Congreso"},{"code":"d","content":"01"},{"code":"f","content":1990},{"code":"e","content":"Zaragoza"}],"tag":410},{"ind2":3,"ind1":" ","subfield":[{"code":"a","content":"FR"},{"code":"b","content":"Abes"},{"code":"c","content":20200919},{"code":"g","content":"AFNOR"}],"tag":801},{"ind2":" ","ind1":" ","subfield":{"code":"a","content":"La Historia social en España : actualidad y perspectivas : actas del I Congreso de la Asociación de Historia Social / Zaragiza, septiembre, 1990, Coordinador Santiago Castillo, 1990"},"tag":810},{"ind2":" ","ind1":" ","subfield":{"code":"a","content":"Congreso de la Asociacion de historia social (01 ; 1990 ; Saragosse, Espagne)"},"tag":910},{"ind2":" ","ind1":" ","subfield":{"code":"a","content":"Asociacion de historia social. Congreso (01 ; 1990 ; Zaragoza)"},"tag":911}],"controlfield":[{"tag":"001","content":170481417},{"tag":"003","content":"http://www.idref.fr/170481417"},{"tag":"004","content":20130704},{"tag":"005","content":20200919202133},{"tag":"006","content":751062301},{"tag":"007","content":751050013},{"tag":"008","content":"Tb5"}]}}