Martineau, H. (1840). The martyr age of the United States of America,: With an appeal on behalf of the Oberlin Institute in aid of the abolition of slavery. Re-published from the London and Westminster review, by the Newcastle upon Tyne Emancipation and Aborigines Protection Society. Newcastle upon Tyne, : London, : Dublin, : Edinburgh,: Finlay and Charlton; ; Hamilton, Adams, and Co.; ; Currie and Co.; ; Oliphant and Son; and all other booksellers..

Martineau, Harriet. The Martyr Age of the United States of America,: With an Appeal On Behalf of the Oberlin Institute in Aid of the Abolition of Slavery. Re-published From the London and Westminster Review, By the Newcastle Upon Tyne Emancipation and Aborigines Protection Society. Newcastle upon Tyne, : London, : Dublin, : Edinburgh,: Finlay and Charlton; ; Hamilton, Adams, and Co.; ; Currie and Co.; ; Oliphant and Son; and all other booksellers., 1840.

Martineau, Harriet. The Martyr Age of the United States of America,: With an Appeal On Behalf of the Oberlin Institute in Aid of the Abolition of Slavery. Re-published From the London and Westminster Review, By the Newcastle Upon Tyne Emancipation and Aborigines Protection Society. Newcastle upon Tyne, : London, : Dublin, : Edinburgh,: Finlay and Charlton; ; Hamilton, Adams, and Co.; ; Currie and Co.; ; Oliphant and Son; and all other booksellers., 1840.