Artist's ledger: Book I, 1913-63, p. 70. Slater Memorial Museum, Trends in Twentieth Century Painting, exhibition checklist, Norwich, Connecticut, 1932, no. 20 (as The Boat). A.H. Barr, Edward Hopper: Retrospective Exhibition, exhibition catalogue, New York, 1933, n.p., no. 51. Arts Club of Chicago, Exhibition of Paintings by Edward Hopper, exhibition checklist, Chicago, Illinois, 1934, no. 39. Wadsworth Atheneum, American Painting and Sculpture of the 18th, 19th & 20th Centuries, exhibition checklist, Hartford, Connecticut, 1935, no. 67 (as Lifeboat). Wadsworth Atheneum, Paintings in Hartford Collections, exhibition checklist, Hartford, Connecticut, 1936, no. 80 (as The Coast Guard). Carnegie Institute, An Exhibition of Paintings, Water Colors, and Etchings by Edward Hopper, exhibition checklist, Pittsburgh, Pennsylvania, 1937, no. 61. The Art Institute of Chicago, The Eighteenth International Exhibition: Water Colors, Pastels, Drawings and Monotypes, exhibition checklist, Chicago, Illinois, 1939, no. 322. Pennsylvania Academy of the Fine Arts, The Thirty-ninth Annual Philadelphia Water Color and Print Exhibition, and the Fortieth Annual Exhibition of Miniatures, exhibition checklist, Philadelphia, Pennsylvania, 1941, no. 401. Wadsworth Atheneum, Seven by Six--Loan Exhibition of Contemporary American Water Colors, exhibition catalogue, Hartford, Connecticut, 1948, n.p., no. 32. Wadsworth Atheneum, Survey of American Watercolors, exhibition catalogue, Hartford, Connecticut, 1952, p. 7, no. 76. The Currier Gallery of Art, Watercolors by Edward Hopper with a Selection of His Etchings, exhibition catalogue, Manchester, New Hampshire, 1959, no. 20 (as Coast Guard Boat, Cape Elizabeth). G. Levin, Edward Hopper: A Catalogue Raisonné, vol. II, New York, 1995, p. 198, no. W-229, illustrated. G. Levin, The Complete Watercolors by Edward Hopper, New York, 2001, p. 198, fig. W-229, illustrated.