RRLG preservation union listRLG preservation union listde Research Libraries GroupMateriasBooks on microfilmUnion listsCatalogsMicrofilmsLibrary materialsConservation and restorationMicroformsEdiciones (1)RLG preservation union list (1986)Research Libraries Group · inglésMás obras de Research Libraries GroupRRLG preservation microfilming handbookRLG preservation microfilming handbookRRLG shared resources manualRLG shared resources manualRRLIN system reference manualRLIN system reference manual
SSelecting library and archive collections for digital reformSelecting library and archive collections for digital reformatting