In his print Woman Reading, 1970, his wife Elena poses with their cat Madame Butterfly. Other of Barnet's works include his cat Minou. Barnet is said to have dismissed any visitor to his studio if his feline did not approve of him/her. Clearly, Barnet was a cat lover.
(http://www.thegreatcat.org/the-cat-in-art-and-photos-2/cats-in-art-20th-century/will-barnet-1911-2012-american/)