No.	Title	Date
1	Historical Material-Notes and Papers (PP MS 42. SL/19-SL/22)
2	Political material-Papers (PP MS 42. SL/25-SL/30)
3	Language and Bilingualism-Papers (PP MS 42. SL/31-SL/36)
4	Trade Unions and Economic Development-Press cuttings and papers (PP MS 42. SL/23-SL/24)