Cottage Door with Girl and Pigs - Thomas Gainsborough
Exterior of The Astronomical Observatory, illustration from the History of Oxford, engraved by Joseph Constantine Stadler (fl.1780-1813) pub. by R. Ackermann, 1813 - William Westall
An extensive Mediterranean landscape with a tower and a herd of goats - Claude Lorrain (Gellee)
A tranquil backwater - (after) Edward Charles Williams
Italianate Rocky Landscape With A Bridge Over A Stream, Two Fishermen Behind - Flemish School
First meeting of Dante and Beatrice - Raffaelle Gianetti
A Wooded Landscape With Elegant Travellers And Huntsmen On A Path, With A Woman And A Child Praying At A Shrine - Gillis The Elder Peeters
May in the Mountains - Ernest Lawson
North Front, Old Palace, from the Queens Garden, plate 5 from Kew Gardens A Series of Twenty-Four Drawings on Stone, engraved by Charles Hullmandel 1789-1850 published 1820 - (after) Papendiek, George Ernest
Fertility 1902 - Edvard Munch
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 
