Hardcover.

First edition, first impression in first impression dust jackets. Original publisher's dark blue cloth with gilt titles. Bindings are square with sound hinges. No bumping to corners, but a bit of rubbing to the colour. No writing/markings. Dust jackets have toning to spines, chipping to corners, and fraying along edges of spines. Vol II dust jacket has two long parallel archivally mended tears to front panel.

Harvey Cushing's monumental two-volume biography of the great Canadian physician Sir William Osler, which won the Pulitzer Prize in 1926.