00906nam a2200217Ia 4500001000700000003000600007005001700013008004100030040001000071245006700081260006700148300001900215500002300234533010500257538007200362650003700434650006200471650004600533710005100579830005800630285752OCoLC20160527201147.0970310s2003    dcu     b     000 0 eng d  aPUCPR00aReproduction of copyrighted works by educators and librarians.  aWashington, D.C.bCopyright Office, Library of Congressc2003.  a279 p.c28 cm.  a"12/27/95"--l. 37.  aPrint of computer file.bWashington, D.C.bGelman Libraryd1966.e37 leaves ; 28 cmf(Circular ; 21)  aOriginally issued as: ftp://ftp.loc.gov/pub/copyright/circs/circ21. 0aCopyrightzUnited States.2Local 0aPhotocopying services in librarieszUnited States.2Local 0aFair use CopyrightzUnited States.2Local2 aLibrary of Congress.bCopyright Office.2Local 0aCircular (Library of Congress. Copyright Office)v21.