@prefix bf: <http://id.loc.gov/ontologies/bibframe/> .
@prefix bflc: <http://id.loc.gov/ontologies/bflc/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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    bf:adminMetadata [ a bf:AdminMetadata ;
            bf:agent <http://id.loc.gov/vocabulary/organizations/cbc> ;
            bf:date "2026-09-11T20:12:13.600599+00:00"^^xsd:dateTime ;
            bf:derivedFrom <http://id.loc.gov/resources/instances/11161525> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/incmp> ],
        [ a bf:AdminMetadata ;
            bflc:catalogerId "Unknown" ;
            bf:date "2026-09-11" ;
            bf:descriptionAuthentication <http://id.loc.gov/vocabulary/marcauthen/pcc> ;
            bf:descriptionLanguage <http://id.loc.gov/vocabulary/languages/eng> ;
            bf:descriptionLevel <http://id.loc.gov/ontologies/bibframe-2-6-0/> ] ;
    bf:extent [ a bf:Extent ;
            rdfs:label "2 volumes" ] ;
    bf:identifiedBy [ a bf:Lccn ;
            rdf:value "   68060391 " ],
        [ a bf:Identifier ;
            bf:assigner <http://id.loc.gov/vocabulary/organizations/dgpo> ;
            rdf:value "834-T" ] ;
    bf:instanceOf <https://stage.bcld.info/works/b5d0edce-d963-49ce-ba17-56dbe0d28edd> ;
    bf:publicationStatement "Washington, D.C.: National Science Foundation, For sale by Supt. of Docs., U.S. G.P.O., 1967-1969" ;
    bf:title [ a bf:Title ;
            bf:mainTitle "Scientific activities of nonprofit institutions" ] .