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Liddell, Henry George; Scott, Robert (1940). "ὄρυξ". A Greek-English Lexicon. Perseus Digital Library. Archived from the original on 26 May 2024. Retrieved 7 October 2022.
Lewis, Charlton T.; Short, Charles (1879). "orca". A Latin Dictionary. Perseus Digital Library. Archived from the original on 7 October 2022. Retrieved 7 October 2022.
Liddell, Henry George; Scott, Robert (1940). "ὄρυξ". A Greek-English Lexicon. Perseus Digital Library. Archived from the original on 26 May 2024. Retrieved 7 October 2022.