This subseries consists of correspondence, photographs, certificates, and ephemera of Henry L. Corbett and his wife, Gretchen Hoyt Corbett. Correspondence includes letters to Gretchen Corbett from her cousin Sherman Miles, including ones describing his activities as a member of the Coolidge Mission after World War I, in which he played a role in deciding the border between Austria and Yugoslavia; and correspondence with the Neame family of England, whose sons lived with the Corbetts during part of World War II.