Illustrations by Howard Pyle depicting King Arthur's Knights and their adventures.
Sir Pellias and the Sorrowful Lady in Arroy
Sir Lancelot frees a lady's hawk.
Lancelot and Eloise the Fair.
Lancelot meeting Queen Guinevere.
Lamarack of Gales
Ivory casket, 14th century, shows scenes with Gawain, Percival and Lancelot (crossing the Sword bridge in the second panel). The reference says Metropolitan Museum, New York so I assume this is in the Cloisters? I certainly missed it when I was there, but will look next time.