AncestorsAtRest has the following store ledgers online for Pennsylvania
Muncy, Lycoming County, PA 1831 to 1865 Docket Ledger of General William A Petrikin. OVER 250 NAMES.
Lebanon County, PA 1887 Heilman Dale Creamery Milk Book.
Hopewell Township, York County, PA 1890 Tax Collectors Book. (OVER 500 NAMES)
Schuykill, Pennsylvania Tax Collection Ledger 1913-1922 PDF files available for download Part 1, Part 2, Miscellaneous Papers