Patricia G. Berman, Danish paintings of the nineteenth century from the collection of Ambassador John L. Loeb, Jr., exhibition catalogue, Greenwich, Connecticut: Bruce Museum of Arts and Science, 2004, ISBN9780972073691, p. 62.
Elisabeth Fabritius, The Ambassador John L. Loeb Jr. Danish Art Collection, New York: J. L. Loeb, 2005, ISBN9780976204305, p. 145.
Mikael Wivel, Dansk kunst i det 20. århundrede, Copenhagen: Gyldendal, 2008, ISBN9788702029857, p. 62, (in Danish): "[Hammershøi] was far from the only one in this country who was painting Dutch-inspired interiors—his brother-in-law Peter Ilsted and his friend Carl Holsøe were likewise more than merely capable. But he was the only one to do it with fresh eyes."