April 1988 Deposit, Ychwanegu i'r clipfwrdd 1-95. Is-fonds 1895-1983. Rhan oMontgomeryshire Liberal Association Records,
August 1988 Deposit, Ychwanegu i'r clipfwrdd 96-143. Is-fonds 1976-1989. Rhan oMontgomeryshire Liberal Association Records,
1991 Deposit, Ychwanegu i'r clipfwrdd 144-61. Is-fonds 1970-1987. Rhan oMontgomeryshire Liberal Association Records,