Walton, W. (1830). A reply to the "Exposé des droits de Sa Majesté trés fidéle, Donna Maria II.": Expressly written and lately printed in Paris, for the purpose of exhibiting the rights of D. Pedro and those of his daughter, to the throne of Portugal. printed for J. Richardson, and Wilson.

Walton, William. A Reply to the "Exposé Des Droits De Sa Majesté Trés Fidéle, Donna Maria II.": Expressly Written and Lately Printed in Paris, for the Purpose of Exhibiting the Rights of D. Pedro and Those of His Daughter, to the Throne of Portugal. printed for J. Richardson, and Wilson, 1830.