Tolong jelaskan mengenai Sumber primer dari Herbert Henry Asquith

Adams, Ralph JQ. "Asquith's choice: the May Coalition and the coming of conscription, 1915–1916." Journal of British Studies 25.3 (1986): 243-263.

Ball, Stuart R. "Asquith's Decline and the General Election of 1918." Scottish Historical Review 61.171 (1982): 44-61.

Dangerfield, George. The Strange Death of Liberal England (1935) online free