<http://experiment.worldcat.org/entity/work/data/30961152#Organization/harbison_and_walker_refractories_company> <http://schema.org/name> "Harbison and Walker Refractories Company." .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/harbison_and_walker_refractories_company> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/allegheny_county_pa> <http://schema.org/name> "Allegheny County (Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/allegheny_county_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Place> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/wallaceton_fire_brick_company_wallacetown_pa> <http://schema.org/name> "Wallaceton Fire Brick Company (Wallacetown, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/wallaceton_fire_brick_company_wallacetown_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/clarion_county_pa> <http://schema.org/name> "Clarion County (Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/clarion_county_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Place> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/mt_union_silica_works_mt_union_pa> <http://schema.org/name> "Mt. Union Silica Works (Mt. Union, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/mt_union_silica_works_mt_union_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/cascade_iron_company> <http://schema.org/name> "Cascade Iron Company." .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/cascade_iron_company> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/westmoreland_county_pa> <http://schema.org/name> "Westmoreland County (Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/westmoreland_county_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Place> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/star_fire_brick_company_pitsburgh_pa> <http://schema.org/name> "Star Fire Brick Company (Pitsburgh, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/star_fire_brick_company_pitsburgh_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/cambria_fire_brick_company_blandburg_pa> <http://schema.org/name> "Cambria Fire Brick Company (Blandburg, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/cambria_fire_brick_company_blandburg_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/philipsburg_fire_brick_company_philipsburg_pa> <http://schema.org/name> "Philipsburg Fire Brick Company (Philipsburg, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/philipsburg_fire_brick_company_philipsburg_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/woodland_firebrick_company_woodland_pa> <http://schema.org/name> "Woodland Firebrick Company (Woodland, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/woodland_firebrick_company_woodland_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/basic_brick_company_johnstown_pa> <http://schema.org/name> "Basic Brick Company (Johnstown, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/basic_brick_company_johnstown_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/escanaba_furnace_company> <http://schema.org/name> "Escanaba Furnace Company." .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/escanaba_furnace_company> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/frederick_munro_company_farrandsville_pa> <http://schema.org/name> "Frederick-Munro Company (Farrandsville, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/frederick_munro_company_farrandsville_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/isaac_reese_and_sons_company_manorville_pa> <http://schema.org/name> "Isaac Reese and Sons Company (Manorville, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/isaac_reese_and_sons_company_manorville_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/clearfield_county_pa> <http://schema.org/name> "Clearfield County (Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/clearfield_county_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Place> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/clinton_county_fire_brick_company_mill_hall_pa> <http://schema.org/name> "Clinton County Fire Brick Company (Mill Hall, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/clinton_county_fire_brick_company_mill_hall_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/elk_county_pa> <http://schema.org/name> "Elk County (Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/elk_county_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Place> .
<http://experiment.worldcat.org/entity/work/data/30961152.nt> <http://rdfs.org/ns/void#inDataset> <http://purl.oclc.org/dataset/WorldCat/Works> .
<http://experiment.worldcat.org/entity/work/data/30961152.nt> <http://schema.org/about> <http://worldcat.org/entity/work/id/30961152> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/harbison_and_walker_refractories_company_pittsburgh_pa> <http://schema.org/name> "Harbison and Walker Refractories Company (Pittsburgh, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/harbison_and_walker_refractories_company_pittsburgh_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/clearfield_fire_brick_company_ltd_clearfield_pa> <http://schema.org/name> "Clearfield Fire Brick Company, Ltd. (Clearfield, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Organization/clearfield_fire_brick_company_ltd_clearfield_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Organization> .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/strip_pittsburgh_pa> <http://schema.org/name> "Strip (Pittsburgh, Pa.)" .
<http://experiment.worldcat.org/entity/work/data/30961152#Place/strip_pittsburgh_pa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Place> .
<http://experiment.worldcat.org/entity/work/data/30961152#Topic/clay_industry_pennsylvania> <http://schema.org/name> "Clay industry Pennsylvania." .
<http://experiment.worldcat.org/entity/work/data/30961152#Topic/clay_industry_pennsylvania> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Topic> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.loc.gov/authorities/subjects/sh85112269> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/cascade_iron_company> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.loc.gov/authorities/subjects/sh85027411> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.worldcat.org/fast/865513> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2660440557> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/30961152#Place/strip_pittsburgh_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/harbison_and_walker_refractories_company> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2673542422> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/philipsburg_fire_brick_company_philipsburg_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/cambria_fire_brick_company_blandburg_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/woodland_firebrick_company_woodland_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/clearfield_fire_brick_company_ltd_clearfield_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/30961152#Place/elk_county_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/star_fire_brick_company_pitsburgh_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/escanaba_furnace_company> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/30961152#Place/clarion_county_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.worldcat.org/fast/1204598> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/isaac_reese_and_sons_company_manorville_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/30961152#Place/allegheny_county_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2692588571> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/30961152#Place/clearfield_county_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.worldcat.org/fast/1209250> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.worldcat.org/fast/1209832> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2729407527> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.worldcat.org/fast/838614> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/30961152#Place/westmoreland_county_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2641431128> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2710977231> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2701440934> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.worldcat.org/fast/1212108> .
<http://worldcat.org/entity/work/id/30961152> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/CreativeWork> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/description> "Records include correspondence, financial and business records, and catalogs, primarily relating to the formation of Harbison and Walker Refractories Company and iats relationship with its subsidiaries."@en .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/mt_union_silica_works_mt_union_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/clinton_county_fire_brick_company_mill_hall_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2745226888> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.worldcat.org/fast/1318518> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/wallaceton_fire_brick_company_wallacetown_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.loc.gov/authorities/subjects/sh85016808> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.worldcat.org/fast/1204997> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.worldcat.org/fast/1222017> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/30961152#Topic/clay_industry_pennsylvania> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/basic_brick_company_johnstown_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/workExample> <http://www.worldcat.org/oclc/28956655> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/about> <http://id.worldcat.org/fast/1092688> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2636208044> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/frederick_munro_company_farrandsville_pa> .
<http://worldcat.org/entity/work/id/30961152> <http://schema.org/creator> <http://experiment.worldcat.org/entity/work/data/30961152#Organization/harbison_and_walker_refractories_company_pittsburgh_pa> .