Principles and methods of orthodontics : an introductory study of the art for students and practitioners of dentistry / by B. E. Lischer ... illustrated with 248 engravings.
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Principles and methods of orthodontics : an introductory study of the art for students and practitioners of dentistry / by B. E. Lischer ... illustrated with 248 engravings. Credit: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.. Public Domain Mark