Codman Square Reading Room Postcards Codman Square Reading Room No. 210 Postcard. Caption on front: Dorchester, Mass. Codman Square Reading Room. Postmarked Roxbury Station, Boston, Aug. 24, 1909. With one cent stamp. On verso: Printed in Germany. Mason Bros. & Co., Boston, Mass. Facebook Twitter Print Friendly Skills Boston Public Library, Codman Square, Dorchester, Reading Room Posted on November 11, 2022 ← Codman Square and Dorchester High School Codman Square, Washington Street, Second Congregational Church →