Descriptive sociology, or Groups of sociological facts, classified and arranged by Herbert Spencer, compiled and abstracted by David Duncan, Richard Scheppig, James Collier, fu pubblicata a Londra in 8 volumetti tra il 1873 e il 1882.
Descriptive sociology, or Groups of sociological facts, classified and arranged by Herbert Spencer, compiled and abstracted by David Duncan, Richard Scheppig, James Collier, fu pubblicata a Londra in 8 volumetti tra il 1873 e il 1882.