Walker, J. (1829). The United States' spelling book,: With appropriate reading lessons : being an easy standard for spelling, reading and pronouncing the English language, according to the rules established by John Walker, in his critical and pronouncing dictionary (29th edition.). Printed and published by Cramer and Spear, at the Franklin Bookstore, Wood Street.

Walker, John. The United States' Spelling Book,: With Appropriate Reading Lessons : Being an Easy Standard for Spelling, Reading and Pronouncing the English Language, According to the Rules Established by John Walker, in His Critical and Pronouncing Dictionary. 29th edition. Pittsburgh: Printed and published by Cramer and Spear, at the Franklin Bookstore, Wood Street, 1829.

Walker, John. The United States' Spelling Book,: With Appropriate Reading Lessons : Being an Easy Standard for Spelling, Reading and Pronouncing the English Language, According to the Rules Established by John Walker, in His Critical and Pronouncing Dictionary. 29th edition. Printed and published by Cramer and Spear, at the Franklin Bookstore, Wood Street, 1829.