Olufsen, O. (1918) “The History of Kathiawad from the earliest Times by Capt. H. Wilberforce-Bell. With Illustrations and a Map. London 1916. William Heinemann”., Geografisk Tidsskrift, 24. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/47031 (Set: 7 december 2025).