Heligoland

  Matheson, J.C., ‘The Value of Heligoland’, The Royal Engineers Journal, June 1921, 257–61

  ——, ‘The Dismantling of Heligoland’, The Royal Engineers Journal, December 1923, 547–51

  Nanson, M., ‘Heligoland’, Coast Artillery Journal, November–December, 1945, pp. 2–7

  Naval Miscellany, ‘Seizure of Heligoland’, Navy Records Society, vol. 20, vi, 1902, 375–86

  Nomad, ‘Forgotten Pages: Heligoland’, United Empire, vol. 16, May 1925, 288–9

  Penning, W.H., ‘Waste of Insular Land by the Sea’, Geological Magazine, 1876, 282–4

  Piggott, Francis, ‘The Integrity of the Empire: The Offer of Cyprus to Greece’, The Nineteenth Century, January 1916, 240–52

  Sanderson, George, ‘The Anglo-German Agreement of 1890 and the Upper Nile’, English Historical Review, January 1963, 49–72

  Savory, Douglas L., ‘Heligoland Past and Present’, Contemporary Review, no. 1097, 1957, 273–8

  Steinburg, Jonathan, ‘The Copenhagen Complex’, Journal of Contemporary History, July 1966, 23–46

  Surt, W., ‘Anglo-American Amity: Transferring B-29s to the RAF’, Air Power History, Winter 1944, 30–9

  Webster, C.K., ‘Foreign Policy of Castlereagh (1812–1815)’, Cambridge Historical Journal, vol. V, 1935