found: LCCN 56-58309: Bard, P. Medical physiology, 1956(hdg.: Macleod, John James Rickard, 1876-1935)
found: LC data base, 7-19-85(hdg.: Macleod, John James Rickard, 1876-1935; usage: John James Rickard Macleod)
found: Fundamentals of human physiology, 1924:title page (J.J.R. Macleod, M.B., D.Sc., F.R.S., professor of physiology in the University of Toronto, Toronto; formerly professor of physiology, Western Reserve University, Cleveland, Ohio)
found: The discovery of insulin, 2021:LAC CIP application (John Macleod)
found: Canadiana, May 26, 2021(heading: Macleod, J. J. R. (John James Rickard), 1876-1935)
found: Wikipedia, viewed on May 26, 2021:John Macleod (John James Rickard Macleod; Scottish biochemist and physiologist; he is noted for his role in the discovery and isolation of insulin during his tenure as a lecturer at the University of Toronto) - https://en.wikipedia.org/wiki/John_Macleod_(physiologist)
found: OCLC, May 26, 2021(access points: Macleod, John James Richard; Macleod, John James Richard, 1876-; Macleod, John James Rickard; Macleod, John James Rickard, 1876-; Macleod, John James Rickard, 1876-1935; Macleod, John J. R.; Macleod, John J.; Macleod, J. J. R.; Macleod, J. J. R. (John James Richard), 1876-1935; Macleod, J. J. R. (John James Rickard), 1876-1935; Macleod, J. J. R., 1876-1935; predominant usage: J.J.R. Macleod; other usages: John J.R. Macleod; John James Rickard Macleod)