| Duncan, David, 1839-1923
| <The >life and letters of Herbert Spencer / by David Duncan . - London: Methuen & Co., 1908 . - XIII, 621 p. | Duncan, David, 1839-1923 | Entidade: CFP | Ver na fonte | | Link persistente deste registo: http://id.bnportugal.gov.pt/bib/rnod/297619 |
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