The modern chess problem /
by Philip H. Williams ; issued under the supervision of the British Chess Company.
Williams, P. Hamilton., British Chess Company. (1903). The modern chess problem. 3d ed. London: G. Routledge .
Williams, Philip Hamilton, 1873-1922, and British Chess Company. The Modern Chess Problem. 3d ed. London: G. Routledge , 1903.
Warning: These citations may not always be complete (especially for serials).