The above list of sources provides a comprehensive overview of the evolution of the British civil service from 1854 to 1939. These sources include books, articles, and reports that provide historical context and analysis of the transformation of the British Treasury during this time period.Several sources provide an overview of the debates surrounding parliamentary reform and civil service reform in the nineteenth century, including Greenaway (1985) and Hart (1960). Heyck (2002) provides a comprehensive history of the British people during this period, while Horton (1993) and Kingdon (1999) offer an overview of the British political system and its evolution.Morley (1903) provides insight into the political and administrative developments in Britain during this period, while O'Halpin (1987) provides a detailed study of the evolution of the British civil service during this period, including the role of Sir Warren Fisher as Permanent Secretary of the Treasury from 1924 to 1939.Roseveare (1969) provides a comprehensive history of the British Treasury from its establishment in 1707 to the present day, while Sheader (2004) offers an overview of public policy and administration in Britain during this period. Theakston (1999) analyzes leadership in the British civil service during this period, while Weller (2003) provides an overview of the evolution of the British state during this time and examines the role of the civil service in shaping policy and administration.These sources provide a comprehensive understanding of the evolution of the British civil service during the period from 1854 to 1939, including its structure, functions, and role in the development of government policies. They also examine the political and administrative context in which the civil service operated during this time.