Bagger, H. 1979. Michael F. Metcalf: Russia, England and Swedish Party Politics 1762-1766. The Interplay between Great Power Diplomacy and Domestic Politics during Sweden’s Age of Liberty. Akademisk avhandling. Stockholm, Almqvist & Wiksell International 1977. 278 s. S.kr. 105. Historisk Tidsskrift. 13, (jan. 1979).