Box: EUA-A-146
- History of the Dialectic Society, presented by R.W.S. Gray
- History of the society: list of members part I (1787-1802)
- History of the society: list of members part II (1802-1815)
- History of the society: list of members part III (1813-1821)
- History of the society: list of members part IV (1822-1824)
- History of the society: list of members part V (1825-1835)
- History of the society: list of members part VI (1836-1850)
- History of the society: list of members part VII (1851-1859)
Box: EUA-A-147
- History of the society: list of members part VIII (1859-1867)
- History of the society: list of members part IX (1869-1881)
- History of the society: list of members part X (1881-1884)
- History of the society: list of members part XI (1787-1802)
- Inaugural address (1869-1870)
- Report of Centenary proceedings (1887) [9 copies]