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  • × author_ss:"Barr, W.F."
  • × year_i:[1950 TO 1960}
  1. Barr, W.F.: Advantages and disadvatages of the Superintendent of Documents Classification as a key to a depository collection (1951) 0.00 
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    Source
    College and research libraries. 12(1951) no.1, S.40-42