Hale, J. D., & Twachtman, J. H. (1987). Twachtman in Gloucester: His last years, 1900 - 1902 ; a loan exhibition for the benefit of the Archives of American Art (Smithsonian Institution), 12 May - 13 June 1987, Ira Spanierman Gallery, New York / essays by John Douglass Hale. Universe.
Παραπομπή σε μορφή Chicago (17η εκδ.)Hale, John D., και John Henry Twachtman. Twachtman in Gloucester: His Last Years, 1900 - 1902 ; a Loan Exhibition for the Benefit of the Archives of American Art (Smithsonian Institution), 12 May - 13 June 1987, Ira Spanierman Gallery, New York / Essays by John Douglass Hale. New York: Universe, 1987.
Παραπομπή σε μορφή MLA (8th εκδ.)Hale, John D., και John Henry Twachtman. Twachtman in Gloucester: His Last Years, 1900 - 1902 ; a Loan Exhibition for the Benefit of the Archives of American Art (Smithsonian Institution), 12 May - 13 June 1987, Ira Spanierman Gallery, New York / Essays by John Douglass Hale. Universe, 1987.