- Archer, Sarah West,--Lady,--1741-1801--Caricatures and cartoons.8
- Argyll, John Campbell,--Duke of,--1680-1743--Caricatures and cartoons.1
- Arne, Thomas Augustine,--1710-1778--Caricatures and cartoons.1
- Arnold, Benedict,--1741-1801--Caricatures and cartoons.1
- Arp, Jean, 1887-19661
- Ashurst, William Henry,--Sir,--1725-1807--Caricatures and cartoons.1
- Astley, Philip,--1742-1814.1
- Auchincloss, Hugh Dudley--Ownership.1,174
- Auckland, William Eden,--Baron,--1744-1814--Caricatures and cartoons.2
- Augusta Sophia,--Princess, daughter of George III, King of Great Britain,--1768-1840--Caricatures and cartoons.1
- Augustus Frederick,--Prince, Duke of Sussex,--1773-1843.1
- Aynscombe, Miss, artist.1
- Bacon, Roger,--1214?-1294.1
- Baillie, William,--1723-1810--Caricatures and cartoons.1
- Baldrey, Joshua Kirby, 1754-1828, publisher.1
- Bank of England.1
- Banks, Joseph,--1743-1820--Caricatures and cartoons.3
- Banks, Sarah Sophia,--1744-1818--Caricatures and cartoons.1
- Bannister, John,--1760-1836--Portraits.1
- Barras, Paul,--vicomte de,--1755-1829--Caricatures and cartoons.1