Duke of Portland: with Mr Campbell's annual disbursements for convicts (with enclosures), 12 July 1793-July 1794 Unit ID: 1973 Date: 1793-07-12/1794-07
Duncan Campbell: employment of convicts on board the Censor hulk, 1784-11-30 Unit ID: 684 Date: 1784-11-30
Duncan Campbell Esq.: return of convicts on board the Justitia and Censor hulks to 12th Instant, 1787-10-15 Unit ID: 2226 Date: 1787-10-15
Duncan Campbell: returns of convicts maintained by him at Woolwich and praying issues on acct. of the same [3 documents], 1797-04-15 Unit ID: 1314 Date: 1797-04-15