Comprises records of W. Gwenlyn Evans and Son:
- Distribution lists of Y Geninen, 1904-1906
- Cash book, 1905-1910
- Employees' time book, 1905-1906
- Newspapers and periodicals delivery book, 1935-1939
- Shop credit sales book, 1936-1943
- Stock book, 1934-1946
- Ledger, 1920-1939
- Newsagents register of newspapers and periodicals ordered for delivery