The principles of sociology.
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Lond. :
Williams and Norgate,
1882, 1885.
|
| Cyfres: | A system of synthetic philosophy, vols.6- / (Spencer, Herbert
|
| Pynciau: |
| Disgrifiad o'r Eitem: | Vol.1 is 3rd ed. |
|---|---|
| Disgrifiad Corfforoll: | V.1-2. |