Portrait of J. Cotes M.P., half-length, in a white cravat and black coatet, before a red drape -
John Hoppner
Portrait of John Barrow, half-length, in a black coat -
John Hoppner
Portrait of Lady Barbara Ashley-Cooper, half-length, in a white dress and black shawl, in a landscape -
John Hoppner
Portrait of Lady Boothby, three-quarter length, in a grey dress and with a plume in her hair, a landscape beyond -
John Hoppner
Portrait of Lady Boothby, three-quarter length, in a grey dress and with a plume in her hair, a landscape beyond 2 -
John Hoppner
Portrait of Lady Mildmay, standing three-quarter-length, in a white dress, with her child, a landscape beyond -
John Hoppner
Portrait of Martin Luther from Memoirs of the Court of Queen Elizabeth - Sarah Countess of Essex
Last Self-portrait 1927 - Jozsef Rippl-Ronai
Portrait of Admiral Sir Charles Paget - Sir Thomas Lawrence
Gaspard 1519-72 Comte de Coligny, 1788, from Portraits des grands hommes, femmes illustres, et sujets memorables de France, published 1787-92 - Antoine Louis Francois Sergent-Marceau
Portrait of a man - (after) Daniel De Koninck
Portrait of Ivan Ivanovich Shuvalov 1727-97 President of the Academy of Arts - Anton Losenko
Self-portrait in Black c. 1935 - Lajos Vajda
Portrait of a gentleman, bust-length, in armour and a blue sash, feigned oval - (after) Johnson, Cornelius I
Portrait Of A Gentleman From The Fioraumanti Family - Roman School
Portrait of HRH Frederick Augustus Duke of York in the uniform of the Colonel of the Coldstream Guards with charger held by a hussar - John Hoppner
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 
