lower left plate printed in black ink: July 11 / [the artist's monogram] / 1923; lower right in graphite: [the artist's monogram] imp; lower left in graphite by unknown hand: IDYL / An Easthampton Idyl; upper left verso in graphite by unknown hand: #11
wife of the artist; gift to the Corcoran Gallery of Art, Washington, DC, 1940; acquired 2015 by the National Gallery of Art
- Cortissoz, Royal and the Leonard Clayton Gallery. Catalogue of the Etchings and Dry-points of Childe Hassam. revised edition. San Francisco, 1989. p. 134, no. 223.