Drawings from around 1800 of neoclassical subjects, they might be derived from Greek vases or they might be from Roman art which was influenced by Greek vase painting.
The drawings are for sale on Ebay.
Hercules in his Lion Suit from the Tufts website.
Hercules in a lion skin from Marjan Wadarki's website.
Hercules and Athena at the Trinity College Dublin Website.
Helios, the sun god from the Classical Mythology Course at the University of Wisconsin, Milwaukee
Theseus and the Minotaur, Orestes at Delphi
Early Greek Vase Painting, 11th-6th Centuries BC: A Handbook (World of Art)
Comic Angels: And Other Approaches to Greek Drama through Vase-Paintings
Greek Vase-Painting and the Origins of Visual Humour
Greek Vase Painting: Form, Figure, and Narrative: Treasures of the National Archaeological Museum in Madrid
Athenian Red Figure Vases: The Archaic Period: A Handbook (World of Art)
Classical Art: From Greece to Rome (Oxford History of Art)
How to Read Greek Vases (Metropolitan Museum of Art)
Women in Ancient Greece
Goddesses, Whores, Wives, and Slaves: Women in Classical Antiquity
Women's Life in Greece and Rome: A Source Book in Translation
The Greek Body
More images Vroma.org
Wikipedia page red figure painting
These drawings are for sale on Ebay.