Portrait of Jacob Bouverie First Viscount Folkestone and First President of the Society of Arts - Thomas Gainsborough
Portrait of an artist, half-length, in a black coat and a white shirt - Giuseppe Maria Crespi
Portrait of Edmund Rooke, bust-length, in an orange wrap - (after) Kneller, Sir Godfrey
Self Portrait Of The Artist - Gonzales Coques
Portrait of a Turk - Continental School
Portrait of an artist, identified as Joseph Goupy (c.1680-c.1770), half-length, holding a landscape painting in the style of Salvator Rosa - Michael Dahl
Portrait of Richard Wagner 1813-83 - Franz von Lenbach
Portrait of a gentleman, seated, half-length, wearing a glove on his right hand - (after) Ferdinand Bol
Portrait of Wilkie Collins (1824-89) 1853 - Charles Allston Collins
Portrait of John Stuart, 4th Earl and 1st Marquess of Bute (1744-1814) - Sir Thomas Lawrence
Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the 
