Three Persons Viewing the Gladiator by Candlelight1769The Alchymist, in Search of the Philosopher's Stone, Discovers Phosphorus, and Prays for the Successful Conclusion of his Operation, as was the Custom of the Ancient Chymical Astrologers1775Democritus and Protagoras1778Herdsmen, Cows and Sheep in Landscapen.d.The Rabbi1778