This series is primarily comprised of correspondence between Greene, his secretary, publishers and agents, and officials, politicians, public figures, and acquaintances in the countries he visited. It also includes clippings, currency, ephemera, magazines, manuscript drafts, passport photographs, and visa applications.

Collection is open for research; some folders are closed for privacy or condition concerns. Audiovisual materials may not be immediately available due to formatting issues. End dates for restrictions are indicated at the folder-level.