- Inauguration du monument élevé à la mémoire du Professeur Fulgence Raymond1
- Insanity: its nature, causes and prevention1
- International Sanitary Convention: message from the President of the United States transmitting a convention between the United States and other powers, signed at Paris on January 17, 1913, modifying the International Sanitary Convention of December 3, 19031
- Inventions illustrés1
- John William Ballantyne, M.D. F.R.C.P.E., F.R.S.E1
- K.E. Miller1
- Karl Kopp1
- Karl Löbker1
- Kohler Antidote relieves headache1
- Le centenaire d'un bienfaiteur de l'humanité1
- Letter from Harvey Cushing to William Osler1
- Letter from Howard A. Kelly to William Osler1
- Letter from Lawrence Kolb to Rupert Blue1
- Letter from Lewellys F. Barker to William Osler1
- Letter from Surgeon General Rupert Blue to Lawrence Kolb2
- Letter from William Osler to Henry Barton Jacobs2
- Louis Bourget1
- Ludwig Heusner1
- Malnutrition cases in New York City Schools1
- Mammala: special dry milk for babies, invalids, and convalescents (patented June 23, 1908)1