The second of three volumes of minute-books, 1904-1946, of the Merthyr Tudful branch of the Operative Bricklayers' Society, later incorporated with the Amalgamated Union of Building Trade Workers.

The last of three volumes of minute-books, 1904-1946, of the Merthyr Tudful branch of the Operative Bricklayers' Society, later incorporated with the Amalgamated Union of Building Trade Workers.

The first of three volumes of minute-books, 1904-1946, of the Merthyr Tudful branch of the Operative Bricklayers' Society, later incorporated with the Amalgamated Union of Building Trade Workers.