<mods version='3.3' xmlns='http://www.loc.gov/mods/v3'> <titleInfo> <title> Smithsonian contributions to knowledge </title> </titleInfo> <name type='corporate'> <namePart> Smithsonian Institution </namePart> </name> <typeOfResource> text </typeOfResource> <originInfo> <place> <placeTerm type='code' authority='marccountry'> dcu </placeTerm> </place> <place> <placeTerm type='text'> Washington </placeTerm> </place> <publisher> Smithsonian Institution </publisher> <dateIssued> 1848-1916 </dateIssued> <dateIssued encoding='marc' point='start'> 1848 </dateIssued> <dateIssued encoding='marc' point='end'> 1916 </dateIssued> <issuance> continuing </issuance> <frequency> Irregular </frequency> </originInfo> <language> <languageTerm authority='iso639-2b' type='code'> eng </languageTerm> </language> <physicalDescription> <form authority='marcform'> print </form> <extent> 35 v. : ill. ; 32 cm. </extent> </physicalDescription> <note type='action'> extracted SILBHL01.rec 20060419 BHLEX </note> <note type='action'> extracted SILBHLNHL01.rec 20070306 BHLNHL </note> <subject authority='lcsh'> <topic> Science </topic> <genre> Periodicals </genre> </subject> <classification authority='lcc'> Q11 .S68 </classification> <identifier type='issn'> 0096-9354 </identifier> <identifier type='lccn' invalid='yes'> sn 88027364 </identifier> <identifier type='lccn'> 16000865 </identifier> <recordInfo> <descriptionStandard> aacr2 </descriptionStandard> <recordContentSource authority='marcorg'> MUL </recordContentSource> <recordCreationDate encoding='marc'> 751101 </recordCreationDate> <recordChangeDate encoding='iso8601'> 20050111171000.0 </recordChangeDate> </recordInfo> </mods>