There are 3 titles associated with this firm.

@book{ wphp_5386
  author={Walker,Mary},
  year={1778},
  title={Munster village, a novel. In two volumes.},
  publisher={John Walter [Homer's Head, Charing Cross] \& James Robson and Co.},
  address={London},    }
@book{ wphp_13679
  author={},
  year={1788},
  title={The Adventurer.},
  publisher={John Rivington and Sons [or J. F. and C. Rivington] \& James Dodsley \& Thomas Cadell [London] \& Thomas Norton Longman III \& William Nicoll \& Robert Baldwin I \& Bedwell Law [13 Ave Maria Lane, 1767-1790, 1794-1795] \& William Lowndes [77 Fleet Street] \& James Robson and Co. \& William Flexney [319 Holborn] \& George, George, John and James Robinson \& John Murray I [Fleet Street] \& Elizabeth Newbery \& William Goldsmith [Paternoster Row] \& George and Thomas Wilkie \& Samuel Hayes \& William Fox \& Lockyer Davis [High Holborn] \& },
  address={London},    }
@book{ wphp_13680
  author={},
  year={1795},
  title={The Adventurer.},
  publisher={John Rivington and Sons [or J. F. and C. Rivington] \& James Dodsley \& Thomas Cadell [London] \& Thomas Norton Longman III \& William Nicoll \& Robert Baldwin I \& Bedwell Law [13 Ave Maria Lane, 1767-1790, 1794-1795] \& William Lowndes [77 Fleet Street] \& James Robson and Co. \& William Flexney [319 Holborn] \& George, George, John and James Robinson \& Elizabeth Newbery \& William Goldsmith [Paternoster Row] \& George and Thomas Wilkie \& Samuel Hayes \& William Fox \& Lockyer Davis [High Holborn] \& John Murray II [Fleet Street]},
  address={London},    }