Mackinder, Halford John
Sir H. J. Mackinder (1861– 1947); geographer, academic and politician.
Sir H. J. Mackinder (1861– 1947); geographer, academic and politician. Published extensively on geography and history.
Portrait of H. J. Mackinder. Photograph. c. 1910. https://en.wikipedia.org/wiki/Halford_Mackinder#/media/File:Halford_Mackinder_(1).jpg.
“Mackinder, Halford John,” The History of the Society of Authors, 1884–1914, accessed March 31, 2023, https://historysoa.com/people/Mackinder-Halford-John.