Harman, Amand. Rhinoceroses, 1997 (DLC)96010863

Holmes, Kevin J. Rhinos, 2000 (DLC)99052544

ITIS, viewed October 17, 2023 (Rhinocerotidae; Taxonomic rank: Family; Common names: Rhinoceroses, Rhinos; Kingdom: Animalia; Phylum: Chordata; Subphylum: Vertebrata; Class: Mammalia; Order: Perissodactyla)

Britannica, viewed October 17, 2023 (rhinoceros, (family Rhinocerotidae), plural rhinoceroses, rhinoceros, or rhinoceri, any of five or six species of giant horn-bearing herbivores that include some of the largest living land mammals)

Merriam Webster, viewed October 17, 2023 (rhinoceros: any of a family (Rhinocerotidae) of large heavyset herbivorous perissodactyl mammals of Africa and Asia that have one or two upright keratinous horns on the snout and thick gray to brown skin with little hair; plural: rhinoceroses; also rhinoceros, or rhinoceri)

Example under Black rhinoceroses; Indian rhinoceroses; Sumatran rhinoceroses; White rhinoceroses