There are 3 titles associated with this person.

Nelson, Robert. A Companion for the Festivals and Fasts of the Church of England: with Collects and Prayers for each Solemnity. By Robert Nelson, Esq. The Twenty-Sixth Edition. London: Thomas Norton Longman III, Francis, Charles and John Rivington, Elizabeth Newbery, George, George, John and James Robinson, Robert Baldwin I, W. Stuart, William Flexney [319 Holborn], T. Evans, S. Crowder, B. Law and Son, Sir Charles Corbett, J. Nichol, Robert Faulder, William Lowndes [77 Fleet Street], George and Thomas Wilkie, Henry Gardner, John Walker II [44 Paternoster Row, 1784-1814, 1818-1825], James Scatcherd and J. Whitaker, Richard Ryan [351 Oxford Street], 1791.
Nelson, Robert. A companion for the festivals and fasts of the Church of England: With collects and prayers for each solemnity. By Robert Nelson, Esq. London: Stanley Crowder, Thomas Norton Longman III, Bedwell Law and Son, Francis and Charles Rivington, George, George, John and James Robinson, Samuel Bladon [13 Paternoster Row], Robert Baldwin I, W. Stuart, James Nichols, Thomas Evans [32 Paternoster Row], Robert Faulder, William Lowndes [76 Fleet Street], George and Thomas Wilkie, Henry Gardner, J. Walker, James Scatcherd and J. Whitaker, Elizabeth Newbery, 1795.
Nelson, Robert. A companion for the festivals and fasts of the Church of England: with collects and prayers for each solemnity. By Robert Nelson, Esq. London: Francis and Charles Rivington, George, George, and John Robinson, James Nichols, Robert Baldwin I, Robert Faulder, Henry Gardner, James Nunn, J. Walker, William Lowndes [76 Fleet Street], George Wilkie [Paternoster Row], James Scatcherd, Elizabeth Newbery, Longman and Rees, Thomas Hurst [St. Paul], 1800.