- On some Mosses from Rio Janeiro. in a Paris journal (1823)
- Tentamen methodi muscorum. or, a new arrangement of the genera of mosses, with characters, and observations on their distribution, history, and structure. in Wernerian Society's Transactions (1823)
- Nouvelle Disposition methodique des especes de mousses. in Vol. 2 of Memoires de la Societe d'Histoire Naturelle de Paris. (1825)
Works about Arnott
“Arnott, George Arnott Walker,” in Dictionary of National Biography, London: Smith, Elder, & Co., (1885–1900) in 63 vols.