There are 3 titles associated with this firm.

Walker, Mary. Munster village, a novel. In two volumes. London: John Walter [Homer's Head, Charing Cross], James Robson and Co., 1778.
The Adventurer. London: 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], 1788.
The Adventurer. London: 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], 1795.