The materials within the Ephemera Series date from 1938 to 2014, though most of the items date from the 1970s to the 1990s. The series contains a large number of items pertaining to all aspects of John Glenn's various careers and to the activities of Annie Glenn. Items in the series include campaign-related items, greeting cards, invitations, membership cards, name tags, postcards, programs, stickers, and stamps, as well as other miscellaneous paper-based items.