{"count":10000,"next":"https://argo.library.pitt.edu/collections?format=json&limit=50&offset=9900","previous":"https://argo.library.pitt.edu/collections?format=json&limit=50&offset=9800","facets":{},"results":[{"uri":"/collections/KgGgpfk9UcMdoH3fAvhEYb","type":"collection","title":"Champion Coal Company, Subseries 31.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/mPqH7mzGz5NxTFFVi3pRxR","type":"collection","title":"New York & Cleveland Gas Coal Company, Subseries 116.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/NNkVUr7fqAxkPGioqrg2G7","type":"collection","title":"Ontario Coal and Supply Company, Subseries 124.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/eG8hyzjQz8ZTmKT5dfPtHe","type":"collection","title":"Vulcan Coal Company, Subseries 185.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/Xhuc4gR4NpFwwmYbbuxvw7","type":"collection","title":"Publicity and Newspaper Clippings, Series IV.","dates":[{"expression":"1946-1973","begin":"1946","end":"1973","label":"creation","type":"inclusive"}]},{"uri":"/collections/idg5s28h3CaU5mZ354PsZf","type":"collection","title":"Shaner Coal Company/Criterion Coal Company, Subseries 166.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/7wTnjNAtdtisUuHHoWHgBm","type":"collection","title":"Montour Coal Company, Subseries 108.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/hguCnTPZtCZr4vvHHysz5X","type":"collection","title":"Colonial Coke Company, Subseries 43.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/MkZYGiW92kMKjt9zQzaAga","type":"collection","title":"Pittsburgh & Chicago Gas Coal Company, Subseries 135.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/nq4vjcjkEpfAa5B8c4nFgr","type":"collection","title":"Disco Company, Subseries 53.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/MGfAXTmX3jPvi3asEuS8KY","type":"collection","title":"Industrial Supply Company, Subseries 82.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/eDrjeqNnoXpZxjrgzAPsLr","type":"collection","title":"Bridgeville & Millers Run Railroad Company, Subseries 20.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/FQHoSr4myXFEJYaPGarqmr","type":"collection","title":"Manown Manufacturing Company, Subseries 93.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/JhXnhopp6PJ7MMceL3YVRp","type":"collection","title":"Predecessor & Subsidiary Companies' Minute Books, Series III.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/ACX9zCVxatjnV8kg677gJs","type":"collection","title":"Arkwright Coal Company, Subseries 9.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/gkVKTgxhxLcPgX8AmKj9Nn","type":"collection","title":"Pittsburgh Coal Company of Minnesota, Subseries 146.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/XpXdguEUB4rsqgaA392e5i","type":"collection","title":"Pittsburgh Coal Land and Railroad Company, Incorporated, Subseries 156.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/PSxLkrvbvmrN5hpGryxEMF","type":"collection","title":"Stockholders' Records, Series IV.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/ivBvZiThu37tKXbhib6mtj","type":"collection","title":"Monga Land Company, Subseries 101.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/7xq69ZqMUUMe892r3PJVt6","type":"collection","title":"Hanna Coal Company, Subseries 71.","dates":[{"expression":"1931-1946","begin":"1931","end":"1946","label":"creation","type":"inclusive"}]},{"uri":"/collections/8qmMVxvagz89rAcanEPFC6","type":"collection","title":"Fairmont Mining Machinery Company, Subseries 61.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/euMmuPNVNn8EHShAuTaC4R","type":"collection","title":"Chartiers Valley and Northern Railway Company, Subseries 32.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/kfZUdccLsKj6bv6sznYeFi","type":"collection","title":"Owings Realty Company, Subseries 125.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/Fn8x7WgbaUS3Bq2Y7M4wCs","type":"collection","title":"Alexander Coal Company, Subseries 1.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/fSEHwfFdJLB2fXSgGZ5FJj","type":"collection","title":"Walsh-Upstill Coal Company, Subseries 186.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/B8FFFbuzTqi5RUtgr2vUw4","type":"collection","title":"Shaner Gas Coal Company, Subseries 167.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/hZUeTHzoEwkcxrJuQbkQVN","type":"collection","title":"Notice of Appeal, Subseries 3.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/c7K2hDZ3QCHqizYygiRA8r","type":"collection","title":"Consolidation Coal Company, Subseries 1.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/48yfdq96KYKJKvcmcueCMZ","type":"collection","title":"Montour Telephone Company, Subseries 109.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/asK5mjAQo4aYu8Nn2KLhBB","type":"collection","title":"Book Reviews, Series III.","dates":[{"expression":"1961-1974","begin":"1961","end":"1974","label":"creation","type":"inclusive"}]},{"uri":"/collections/gzQhsBbGDCg7cR68inCczk","type":"collection","title":"Columbia Coal and Coke Company, Subseries 44.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/CWZ8wbfPgq2JpXLXci9Lhv","type":"collection","title":"Dunlap Coal Company, Subseries 54.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/3698y6vvtdhRYQHabxBDGU","type":"collection","title":"Pittsburgh & Eastern Coal Company, Subseries 136.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/8atYx7tgxPZZHkaKMd3Wkw","type":"collection","title":"Jefferson Coal Company, Subseries 83.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/E59bVhHmemYPAcCrt95A2J","type":"collection","title":"Brock, Inc., Subseries 21.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/as2dihdjpef2C6EKMyo2mm","type":"collection","title":"Mansfield Coal & Coke Company, Subseries 94.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/PaYyUvbiC26rmXxoP3kGrQ","type":"collection","title":"Pittsburgh, Fairport & Northwestern Dock Company, Subseries 157.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/K2h8SNUXKDkzzLeSNrcBjL","type":"collection","title":"Truax-Traer Lignite Coal Co., Subseries 176.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/AkXG4JhH5MHjjvDeLAErHh","type":"collection","title":"Hanna Coal Company, Subseries 72.","dates":[{"expression":"1946-1950","begin":"1946","end":"1950","label":"creation","type":"inclusive"}]},{"uri":"/collections/jxvm5qjo43s8sUo3c3Qj37","type":"collection","title":"Northern New York Coal Company (Wisc.), Subseries 117.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/h3FEjqZWzcuyz5R7K52iWz","type":"collection","title":"Palantine Coal Company, Subseries 126.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/Bdjhe2L6PSNWY8V5oUmyV4","type":"collection","title":"Allegany Real Estate Company, Subseries 2.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/MLFQrKbrDzUhrRBhwVCZBx","type":"collection","title":"Pittsburgh Coal Company Minute Books (Parent Company), Series II.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/HEBerPJxvLx7FQSwRBzf92","type":"collection","title":"Watson Supply Company, Subseries 187.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/Yp4rzo8LgvPfvR9bh82Q8V","type":"collection","title":"Pittsburgh Coal Company of Ohio, Inc., Subseries 147.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/4wV2w9JXpoq8cmBuKeFh2z","type":"collection","title":"Snowden Coal Company, Subseries 168.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/Jeaa6kyEA3Xcmxbrv6x2mn","type":"collection","title":"Newspaper & Magazine Articles, Subseries 4.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/H8RcCvH3xZYKvAjv46ouyW","type":"collection","title":"Morgantown Pittsburgh Coal Dock Company, Subseries 110.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/6wMBjev8QFeQ3BgBKTk3o4","type":"collection","title":"Monongahela Powder Company, Subseries 102.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]},{"uri":"/collections/XAp6fvKrKbAutkvBWsdEs3","type":"collection","title":"Chartiers Valley and Venetia Railroad Company, Subseries 33.","dates":[{"expression":"1854-1971","begin":"1854","end":"1971","label":"creation","type":"inclusive"},{"expression":"1864-1964","begin":"1864","end":"1964","label":"creation","type":"bulk"}]}]}