Sibthorp, R. W. (1843). The true path for the true churchman wandering in the mazes of Protestantism, exemplified in two letters in answer to the enquiry: Why have you become a Catholic? New York.

Sibthorp, Richard Waldo. The True Path for the True Churchman Wandering in the Mazes of Protestantism, Exemplified in Two Letters in Answer to the Enquiry: Why Have You Become a Catholic? New York, 1843.

Sibthorp, Richard Waldo. The True Path for the True Churchman Wandering in the Mazes of Protestantism, Exemplified in Two Letters in Answer to the Enquiry: Why Have You Become a Catholic? New York, 1843.