There are 3 titles associated with this firm.

@book{ wphp_14594
  author={Troil,Uno Von},
  year={1780},
  title={Letters on Iceland: Containing Observations on the Civil, Literary, Ecclesiastical, and Natural History; Antiquities, Volcanos, Basaltes, Hot Springs; Customs, Dress, Manners of the Inhabitants, &c. &c. Made during a Voyage Undertaken in the Year 1772, by Joseph Banks, Esq., P.R.S. Assisted by Dr. Solander, F.R.S. Dr. J. Lind, F.R.S. Dr. Uno von Troil, and Several Other Literary and Ingenious Gentlemen. Written by Uno von Troil, D.D. First Chaplain to His Swedish Majesty, Abaquer of the Swedish Orders of Knighthood, and Member of the Academy of Sciences at Stockholm, to Which Are Added the Letters of Dr. Ihre and Dr. Bach to the Author, Concerning the Edda and the Elephantiasis of Iceland: Also Professor Bergman’s Curious Observations and Chemical Examination of the Lava and Other Substances Produced on the Island. With a New Map of the Island, and a Representation of the Remarkable Boiling Fountain Called by the Inhabitants Geyser.},
  publisher={James Robson \& Nathaniel Conant [Fleet Street] \& William Richardson [printer, Strand]},
  address={London},    }
@book{ wphp_14625
  author={Troil,Uno Von},
  year={1780},
  title={Letters on Iceland: Containing Observations on the Civil, Literary, Ecclesiastical, and Natural History; Antiquities, Volcanos, Basaltes, Hot Springs; Customs, Dress, Manners of the Inhabitants, &c. &c. Made during a Voyage Undertaken in the Year 1772, by Joseph Banks, Esq., P.R.S. Assisted by Dr. Solander, F.R.S., Dr. J. Lind, F.R.S., Dr. Uno von Troil, and Several Other Literary and Ingenious Gentlemen. Written by Uno von Troil, D.D. First Chaplain to His Swedish Majesty, Almoner of the Swedish Orders of Knighthood, and Member of the Academy of Sciences at Stockholm. To Which Are Added the Letters of Dr. Ihre and Dr. Bach to the Author, Concerning the Edda and the Elephantiasis of Iceland: Also Professor Bergman’s Curious Observations and Chemical Examination of the Lava and Other Substances Produced on the Island. With a New Map of the Island, and a Representation of the Remarkable Boiling Fountain Called by the Inhabitants Geyser. Second Edition, Corrected and Improved.},
  publisher={James Robson \& Nathaniel Conant [Fleet Street] \& William Richardson [printer, Strand]},
  address={London},    }
@book{ wphp_14989
  author={Hawkins,John},
  year={1787},
  title={The life of Samuel Johnson, LL.D. By Sir John Hawkins, Knt.},
  publisher={James Buckland [57 Paternoster] \& John Rivington and Sons [or J. F. and C. Rivington] \& Thomas Payne and Son \& Lockyer Davis [Gray's Inn Gate] \& Benjamin White and Son \& Thomas Longman II \& Bedwell Law [13 Ave Maria Lane, 1767-1790, 1794-1795] \& James Dodsley \& Henry Baldwin [Fleet Street] \& James Robson \& Joseph Johnson \& Charles Dilly \& Thomas Vernor [Birchin Lane] \& William Nicol \& George, George, John and James Robinson \& Thomas Cadell [London] \& Thomas Carnan \& J. Nichols [Unknown] \& John Bew [Paternoster Row] \& Robert Baldwin I \& Nathaniel Conant [Fleet Street] \& William Goldsmith [Paternoster Row] \& Robert Faulder \& William Lowndes [76 Fleet Street] \& Thomas Evans [32 Paternoster Row] \& William Bent [34 Paternoster] \& Samuel Hayes \& George and Thomas Wilkie \& Thomas and John Egerton \& William Fox \& Benjamin Collins \& Elizabeth Newbery},
  address={London},    }