Jerrold M. Holmes. Letter to Elizabeth E. Gardner. July 28, 1962, calls the goat and the dog "exact copies" from Jacob Cuyp's "Two Children with a Lamb" in Cologne (no. 1003).
Alan Chong. "Aelbert Cuyp and the Meanings of Landscape." PhD diss., New York University, 1992, pp. 486–87, no. C114, includes it among paintings incorrectly attributed to Cuyp and rejected works; suggests that it may be by a pupil of Jacob Cuyp.
Walter Liedtke. Dutch Paintings in The Metropolitan Museum of Art. New York, 2007, vol. 1, pp. 151–52, no. 35, colorpl. 35, as Attributed to Aelbert Cuyp; dates it to the second half of the 1630s.