Summers' Sallust C. Sallusti Crispi Catilina. Edited with Introduction, Notes, and Index by W. C. Summers, M.A., Cambridge University Press. 1903. 2s. C. Sallusti Crispi Jugurtha. Edited with Introduction, Notes, and Index by W. C. Summers, M.A., Cambridge University Press. 1902. 2s. 6d
E. Seymer Thompson. "Summers' Sallust C. Sallusti Crispi Catilina. Edited with Introduction, Notes, and Index by W. C. Summers, M.A., Cambridge University Press. 1903. 2s. C. Sallusti Crispi Jugurtha. Edited with Introduction, Notes, and Index by W. C. Summers, M.A., Cambridge University Press. 1902. 2s. 6d." The Classical Review 17.05 (1903) 263-264