Mainly in-letters mostly to the Secretary of State from the English (later British) ambassadors, ministers and envoys to the states comprising Germany: Ansbach, 1748-1753, Bavaria 1748-1780; Brunswick 1748-1770; Cassel, 1716-1731; Cologne, 1743-1780; Hanover, 1689-1714; and Hesse-Cassel, 1737-1777. Subjects also include: General, 1577-1696, and the Imperial Diet at Ratisbon,1689-1763. Prussia, and Hamburg and the Hanse Towns are excluded, however, and Saxony after 1696.
The series includes compensation claims arising out of The War of Austrian Succession and The Seven Years War (Commissioners for German Demands) and negotiations for the election of Archduke Joseph as the Holy Roman Emperor, 1752-1754. It also contains correspondence concerning the recruitment of German troops for garrison duty in Gibraltar and Minorca and for military service in the American War of Independence, 1775-1784.
Many draft replies by the Secretary of State are also in the series, though they are less frequently found in the earlier volumes, and a number of petitions and royal letters.