Horan, J. D. (1966). Timothy O'Sullivan, America's forgotten photographer; the life and work of the brilliant photographer whose camera recorded the American scene from the battlefields of the Civilo War to the frontiers of the West. Doubleday.
Παραπομπή σε μορφή Chicago (17η εκδ.)Horan, James David. Timothy O'Sullivan, America's Forgotten Photographer; the Life and Work of the Brilliant Photographer Whose Camera Recorded the American Scene from the Battlefields of the Civilo War to the Frontiers of the West. Garden City, N.Y: Doubleday, 1966.
Παραπομπή σε μορφή MLA (9th εκδ.)Horan, James David. Timothy O'Sullivan, America's Forgotten Photographer; the Life and Work of the Brilliant Photographer Whose Camera Recorded the American Scene from the Battlefields of the Civilo War to the Frontiers of the West. Doubleday, 1966.