Portrait of a Lady wearing a Turban - John Hoppner
Portrait of Johann Wolfgang von Goethe 1749-1832 - Ferdinand Jagemann
Portrait Of A Bearded Man, Half-Length, Wearing A Blue Waistcoat And Holding A Book In His Right Hand - (after) Jacopo D'Antonio Negretti (see Palma Giovane)
Portrait of Robert Cecil 1st Earl of Salisbury from Memoirs of the Court of Queen Elizabeth - Sarah Countess of Essex
Portrait of William Cowper, 1st Earl Cowper c.1665-1723, First Lord Chancellor of Great Britain - Jonathan Richardson
Portrait of a young girl with a bonnet holding a small bouquet - Alfred Edward Emslie
Portrait of a Lady 2 - Willem Adriaensz Key
Portrait of a lady, seated half-length, in a green dress with a brown wrap, a landscape beyond - (after) Kneller, Sir Godfrey
Portrait of an old lady - Jan-Anton Garemyn
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 
