Annual Reports and Transactions
Plymouth Institution and Devon and Cornwall Natural History Society
1662. * Letter (A) to Dr. Hawker on his late Expedition into Cornwall. R. Polwhele. 1799. Letter (A) to the Rev. R. Polwhele. Robert Hawker. Plymouth. 1799. Remarks on the Rev. R. Polwhele's Letter to the Rev. Robert Hawker. N. T. Carrington.