http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Allegheny County (Pa.) -- Directories) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DAllegheny%20County%20(Pa.)%20--%20Directories Results for your query: docsPerPage=100;f4-subject=Allegheny County (Pa.) -- Directories Thu, 01 Jan 1970 12:00:00 GMT Harris' business directory of the cities of Pittsburgh & Allegheny. Harris, Isaac. https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Pittsburgh and Allegheny County almanac: being a business directory of Pittsburgh, Allegheny, Lawrenceville, Manchester and surrounding boroughs : also, calendar for 1867 : business statistics of Allegheny Co. and directory of city and state governments, schools, churches, societies, &c. &c. https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Allegheny County, Pennsylvania: illustrated. Consolidated Illustrating Company https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT