50. Rates of Postage. By A. D. Smith, D.Sc (Econ.), London. 1917; xii., 431 pp., Demy 8vo, cloth. 16s. net. George Allen & Unwin.
51. Metaphysical Theory of the State. By L. T. Hobhouse, M.A., Martin White Professor of Sociology in the University of London. [In Press.] George Allen & Unwin.
52. Outlines of Social Philosophy. By J. S. Mackenzie, M.A., Professor of Logic and Philosophy in the University College of South Wales. [In Press.] George Allen & Unwin.
Monographs on Sociology.
1. The Material Culture and Social Institutions of the Simpler Peoples. By L. T. Hobhouse, M.A., Martin White Professor of Sociology in the University of London, G. C. Wheeler, B.A., and M. Ginsberg, B.A. 1915; 300 pp., Demy 8vo, paper. 2s. 6d. net. Chapman & Hall.
2. Village and Town Life in China. By Tao Li Kung, B.Sc. (Econ.), London, and Leong Yew Koh, LL.B., B.Sc. (Econ.), London. Edited by L. T. Hobhouse, M.A. 1915; 153 pp., Demy 8vo, cloth. 5s. net. George Allen & Unwin.
Series of Bibliographies by Students of the School.
1. A Bibliography of Unemployment and the Unemployed. By F. Isabel Taylor, B.Sc. (Econ.), London. Preface by Sidney Webb, LL.B. 1909; xix. and 71 pp., Demy 8vo, cloth, 2s. net; paper, 1s. 6d. net. P. S. King & Son.
2. Two Select Bibliographies of Mediæval Historical Study. By Margaret F. Moors, M.A.; with Preface and Appendix by Hubert Hall, F.S.A. 1912; 185 pp., Demy 8vo, cloth. 5s. net. Constable & Co.
3. Bibliography of Roadmaking and Roads in the United Kingdom. By Dorothy Ballen, B.Sc. (Econ.), London; an enlarged and revised edition of a similar work compiled by Mr. and Mrs. Sidney Webb in 1906. 1914; xviii. and 281 pp., Demy 8vo, cloth. 15s. net. P. S. King & Son.