Did British Foreign Policy follow any set principles and doctrines in 1830-71 and was it liberal?

Fraser, John Malcolm, Did British Foreign Policy follow any set principles and doctrines in 1830-71 and was it liberal? (c.1952), [UMA-ITE-2005008200019]. University of Melbourne Archives, accessed 08/12/2025, https://archives.library.unimelb.edu.au/nodes/view/296959