[2] His Portrait of Amalia (Lily) Arlioti (1927) is held by the National Gallery of Greece.
[1] His well-known painting of women carrying ammunition in Pindos during the War of 1940 is held by the National Historical Museum, Athens.
[5] Doukas's style was distinctive, combining academic elements with impressionism and expressionism.
He said that he avoided anything that resembled a cut-and-paste from nature, but wanted his work to be understandable without any explanation, or even any title.
He won particular attention for his portraits of the Duchess of Mecklenburg and Princess Amélie Louise of Arenberg.