March 11, 1927 What About Irregular Teeth?
March 25, 1927 Influence of Good Postural Conditions on Health Doctor Harry L. Langnecker January 13, 1928 Psycho-Analysis Doctor James L. Whitney January 27, 1928 Infantile Paralysis Doctor Russel Van Arsdate Lee February 10, 1928 Cults, Quacks and Cures Doctor Edgar L. Gilcreest February 14, 1928 Chinese Medicine Doctor Emmet Rixford March 9, 1928 Protection Against Tuberculosis Doctor Frederick Eberson March 23, 1928 Prevention of Heart Disease Doctor William Dock January 4, 1929 The Relation of the Inorganic Elements to Health and Disease Carl L.A. Schmidt, Ph.D. January 18, 1929 The Present Aspects of X-Rays and Light in the Treatment of Disease W. Edward Chamberlain, M.D. February 1, 1929 The History of Spectacles Hans Barkan, M.D. February 15, 1929 Facts and Fancies of Rheumatism Leonard W. Ely M.D. March 1, 1929 The Historical Development of Anaesthesia Chauncey D. Leake, Ph.D. March 15, 1929 A Study of the Cost of Medical Care President Ray Lyman Wilbur January 10, 1930 Diabet
