Filtering by: Subject Allen, George Garland, 1874-1960 Remove constraint Subject: Allen, George Garland, 1874-1960 Subject Duke Endowment Remove constraint Subject: Duke Endowment Subject Education, Medical Remove constraint Subject: Education, Medical Subject Welch, William Henry, 1850-1934 Remove constraint Subject: Welch, William Henry, 1850-1934 Year 1931 Remove constraint Year: 1931