Murray, L. (1810). Key to the exercises adapted to Murray's English grammar: Calculated to enable private learners to become their own instructers in grammar and composition. Philadelphia : W. McCulloch, printer: Printed for Johnson and Warner.

Murray, Lindley. Key to the Exercises Adapted to Murray's English Grammar: Calculated to Enable Private Learners to Become Their Own Instructers in Grammar and Composition. Philadelphia : W. McCulloch, printer: Printed for Johnson and Warner, 1810.

Murray, Lindley. Key to the Exercises Adapted to Murray's English Grammar: Calculated to Enable Private Learners to Become Their Own Instructers in Grammar and Composition. Philadelphia : W. McCulloch, printer: Printed for Johnson and Warner, 1810.