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100   $a20741127b19711994  ---         a
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aAmerican birds
210   $aNew York $cNational Audubon Society$d1971-©1993
215   $a1 online resource
300   $aOne issue of each year contains the 71st-93rd Christmas bird count.
311   $aPrint version: American birds. (DLC)   79618734 (OCoLC)1090547 0004-7686 
531 0 $aAm. birds
606   $aBirds$vPeriodicals
606   $aBirds$zNorth America$vPeriodicals
606   $aOiseaux$vPériodiques
606   $aOiseaux$zAmérique du Nord$vPériodiques
606   $aBirds$2fast$3(OCoLC)fst00832970
607   $aNorth America$2fast$1https://id.oclc.org/worldcat/entity/E39PBJxRHKPqWyj6g89H9PwHmd
608   $aPeriodicals.$2fast
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610   $aBirds - Periodicals
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615  6$aOiseaux
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615  7$aBirds.
676   $a598.2/97
712 02$aNational Audubon Society.
712 02$aU.S. Fish and Wildlife Service.
906   $aJOURNAL
912   $a9910135620103321
920   $aexl_impl conversion
996   $aAmerican birds$91989736
997   $aUNINA