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O'Hara, Frank, "Personism." The Collected Poems of Frank O'Hara, ediited by Donald Allen, Alfred A. Knopf, 1971, 498-499.
- "Rider, Mario Marini." Art Gallery of New South Wales. 24 July 2018. <https://www.artgallery.nsw.gov.au/collection/works/113.1979/>.
- "Nude Descending a Staircase No. 2, Marcel Duchamp." Philadelphia Museum of Art. 24 July 2018. <https://www.philamuseum.org/collections/permanent/51449.html>.
- "Polish Rider, Rembrandt." The Frick. 24 July 2018. <https://collections.frick.org/objects/239/the-polish-rider>.
- Epstein, Andrew. "Vincent Warren, Love of Frank O'Hara's Life, Passes Away at 79." Locus Solus. 11 November 2017. 24 July 2018. <https://newyorkschoolpoets.wordpress.com/2017/11/11/vincent-warren-love-of-frank-oharas-life-passes-away-at-79/>.
- "Frank O'Hara - Poetry Foundation." Poetry Foundation. 25 June 2018. <https://www.poetryfoundation.org/poets/frank-ohara>.