2 vintage  Osler's Modern Medicine vol 5 and 6 1908 and 1909 Lea and Febiger Both books show signs of storage of 100 plus years overall good vintage condition. cxx 
 
Modern Medicine: Its Theory and Practice, edited by the legendary physician Sir William Osler alongside Thomas McCrae and published by Lea & Febiger (Volumes 5 and 6, printed in 1908 and 1909), is a landmark reference work representing the pinnacle of early 20th-century medical education and clinical practice.
 
Step into the history of early 20th-century medicine with this vintage two-volume pairing of Modern Medicine: Its Theory and Practice, Volumes 5 and 6, edited by Sir William Osler—widely regarded as the father of modern clinical medicine. Published by Lea & Febiger in 1908 and 1909, these substantial volumes compile specialized contributions from leading American and foreign medical authorities of the era. Featuring vintage catalog markings (cxx) and preserved in overall good vintage condition with characteristic signs of century-old storage, these heavy hardcover medical texts offer fascinating insights into historical pathology, diagnostics, and therapeutics at the dawn of modern medical science. They make an exceptional acquisition for collectors of antique medical instruments and historical literature.