Key to Ahn's Practical and easy method of learning the French language /
by Dr. P. Henn ; second course.
APA Citation
Ahn, F. (Franz). (1874). Key to Ahn's Practical and easy method of learning the French language. New York: E. Steiger.
MLA Citation
Ahn, F. (Franz), 1796-1865. Key to Ahn's Practical And Easy Method of Learning the French Language. New York: E. Steiger, 1874.
Warning: These citations may not always be complete (especially for serials).