File contains a series of miscellaneous papers including standalone lecture notes on the following topics: The Principles of Sociology; Rationalisation; Medieval and Modern Art; The Scottish Co-operator and Fascism; Workings of Modern Finance; Industry and Finance; International Politics; Modern European History; and History of Socialistic Thought and Practice. The file also includes Campbell's academic reports for History, Economics, and Philosophy; and a typescript copy letter of a petition written to the TUC General Council in support of Evan George Thomas upon his expulsion in December 1928.