00420nam a22001697a 450000100060000000300100000600500170001604000140003300800410004710000280008824500240011625000060014026000200014630000180016644000260018460000400021031840MX-SIABUC20260702210546.0  aMX-SIABUC050519s1966    mx a                spa d  aForkel, Johann Nikolaus  aJuan Sebastian Bach  a3  aMéxico :bFCE  a214 p. :bil.  aBreviarios; Núm. 31  a1.BACH, JOHANN SEBASTIAN, 1685-1750