The food question suggestions in a letter to the Right Honorable the Lord John Russell, on the means of increasing the supply of food throughout the British Empire - Civis (J. Davy & Sons, printers, 1847)
Goldsmiths'-Kress no. 35017.26. - OCLC, 18778244. - Reproduction of original from Seligman Collection, Rare Book and Manuscript Library, Columbia University. - Signed: Civis