Transactions of the Royal Geological Society of Cornwall, Vol.6 p317 - 326
| A brief review of the classification of the Sedimentary Rocks of Cornwall, Sir R I Murchison, [Communicated by Letter to Sir C Lemon], VI: 317-326, 1846. |
| A brief review of the classification of the Sedimentary Rocks of Cornwall, Sir R I Murchison, [Communicated by Letter to Sir C Lemon], VI: 317-326, 1846. |