Pickering, J. (1832). Inquiries of an emigrant: Being the narrative of an English farmer from the year 1824 to 1830; with the author's additions, to March, 1832; during which period he traversed the United States and Canada, with a view to settle as an emigrant: containing observations on the manners, soil, climate, and husbandry of the Americans; estimates of outfit, charges of voyage, and travelling expenses (4th ed.). London: E. Wilson.

Pickering, Joseph. Inquiries of an Emigrant: Being the Narrative of an English Farmer From the Year 1824 to 1830; With the Author's Additions, to March, 1832; During Which Period He Traversed the United States and Canada, With a View to Settle As an Emigrant: Containing Observations On the Manners, Soil, Climate, and Husbandry of the Americans; Estimates of Outfit, Charges of Voyage, and Travelling Expenses. 4th ed. London: E. Wilson, 1832.

Pickering, Joseph. Inquiries of an Emigrant: Being the Narrative of an English Farmer From the Year 1824 to 1830; With the Author's Additions, to March, 1832; During Which Period He Traversed the United States and Canada, With a View to Settle As an Emigrant: Containing Observations On the Manners, Soil, Climate, and Husbandry of the Americans; Estimates of Outfit, Charges of Voyage, and Travelling Expenses. 4th ed. London: E. Wilson, 1832.