<http://experiment.worldcat.org/entity/work/data/20533289.nt> <http://rdfs.org/ns/void#inDataset> <http://purl.oclc.org/dataset/WorldCat/Works> .
<http://experiment.worldcat.org/entity/work/data/20533289.nt> <http://schema.org/about> <http://worldcat.org/entity/work/id/20533289> .
<http://experiment.worldcat.org/entity/work/data/20533289#Organization/brookman_barrett_&_worthen> <http://schema.org/name> "Brookman/Barrett & Worthen." .
<http://experiment.worldcat.org/entity/work/data/20533289#Organization/brookman_barrett_&_worthen> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/20533289#Topic/first_day_covers_united_states_catalogs> <http://schema.org/name> "First-day covers United States Catalogs." .
<http://experiment.worldcat.org/entity/work/data/20533289#Topic/first_day_covers_united_states_catalogs> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Topic> .
<http://worldcat.org/entity/work/id/20533289> <http://schema.org/alternateName> "Black heritage first day cachet cover catalog"@en .
<http://worldcat.org/entity/work/id/20533289> <http://schema.org/about> <http://id.worldcat.org/fast/799558> .
<http://worldcat.org/entity/work/id/20533289> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2730265905> .
<http://worldcat.org/entity/work/id/20533289> <http://schema.org/genre> "History"@en .
<http://worldcat.org/entity/work/id/20533289> <http://schema.org/genre> "Catalogs"@en .
<http://worldcat.org/entity/work/id/20533289> <http://schema.org/about> <http://id.loc.gov/authorities/subjects/sh85001955> .
<http://worldcat.org/entity/work/id/20533289> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/CreativeWork> .
<http://worldcat.org/entity/work/id/20533289> <http://schema.org/workExample> <http://www.worldcat.org/oclc/48158155> .
<http://worldcat.org/entity/work/id/20533289> <http://schema.org/name> "Brookman's black heritage first day cachet cover catalog"@en .
<http://worldcat.org/entity/work/id/20533289> <http://schema.org/about> <http://id.worldcat.org/fast/1204155> .
<http://worldcat.org/entity/work/id/20533289> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/20533289#Topic/first_day_covers_united_states_catalogs> .
<http://worldcat.org/entity/work/id/20533289> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/20533289#Organization/brookman_barrett_&_worthen> .