There are 2 titles associated with this firm.

@book{ wphp_25183
  author={Unknown,},
  year={1715},
  title={A memorial deliver'd by Mr. Prior, Envoy-Extraordinary of his Britannick Majesty, to His most Christian Majesty, against The Fortifying the Ports and Harbours of Dunkirk and Mardike. The French King's Answer thereunto. A Memorial deliver'd to his Britannick Majesty in Holland, in Favour of the French Protestant Galley-Slaves. With the King's most Gracious Answer. The Buckinghamshire Electors Instructions to their Representatives, &c. The Citizens of London's Instructions to their Representatives. As Also the Protests of the Lords against the Clandestine Steps taken for a Separate Peace. Humbly offer'd to the Consideration of the Honourable House of Commons.},
  publisher={},
  address={London},    }
@book{ wphp_25330
  author={Unknown,},
  year={1715},
  title={A memorial deliver'd by Mr. Prior, Envoy-Extraordinary to his Britannick Majesty, to his most Christian Majesty, against the fortifying the ports and harbours of Dunkirk and Mardike. The French King's answer thereunto. A memorial deliver'd to his Britannick Majesty in Holland, in Favour of the French Protestant Galley-Slaves. With the King's most Gracious Answer. The Buckinghamshire Electors Instructions to their Representatives, &c. The Citizens of London's Instructions to their Representatives. As Also the Protests of the Lords against the Clandestine Steps taken for a Separate Peace. Humbly offer'd to the Consideration of the Honourable House of Commons. The Second Edition.},
  publisher={},
  address={London},    }