LLE6029794:
Karl Marx, German philosopher, economist, political theorist and socialist revolutionary (colour litho), European School, (20th century) / Bridgeman Images
KDC498860:
Charlemagne receiving the gift of a clepsydra (water clock) from Harun al-Rashid, c.1910 (colour litho), European School, (20th century) / Bridgeman Images
KDC498865:
Haroun-al-Raschid mingling incognito among the ordinary people in Baghdad (colour litho), European School, (20th century) / Bridgeman Images
LLM458346:
Attila the Hun receiving tribute from Byzantium, Liebig card, early 20th century (chromo), European School, (20th century) / Bridgeman Images