Imprint 3.; Pennsylvania Ledger. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 144, Folder 1.
Imprint 3.; Pennsylvania Mercury and Universal advertiser. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; P More
Imprint 3.; Bell, Robert.; Not in Evans or Hildeburn. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfo More