LLes premiers principesLes premiers principesde Herbert SpencerMateriasPhilosophieEdiciones (1)Les premiers principes (1930)Costes · francésMás obras de Herbert SpencerAAn appendix to The principles of sociology, vol. IAn appendix to The principles of sociology, vol. IAn autobiography : Herbert SpencerAphorisms from the writings of Herbert Spencer
AAn appendix to The principles of sociology, vol. IAn appendix to The principles of sociology, vol. I
