Many of the items were retained because the reverse was used as a backing for cheques or receipts.
Longford Ward Labour Party: duplicated circular about long-service subscriptions for Trew-Cary, with attached cheque and covering letter from the Borough Labour Party, Jan 1959 [MSS.11/2/22/4-6].
Correspondence, cheque and receipt: support of the Spanish Democrats Defence Fund, Feb-Mar 1959 [MSS.11/2/22/17-21].
Harland and Wolff (Glasgow) Strike Committee: correspondence with Borough Labour Party, including cheque and letter of support from latter, Mar 1959 [MSS.11/2/22/38].
Coventry South Constituency Labour Party: duplicated letter prior to anticipated general election, 19 Mar 1959 [MSS.11/2/22/50].