What is ephemera or gray literature?
Ephemera is a term given to materials that are considered to be of only temporary importance. Materials could include things like typescripts, manuscripts, memos, hand-written letters, pamphlets, etc.
Gray literature typically includes publications such as reports (annual, research, technical, project, etc.), working papers, government documents, white papers and evaluations. Organizations that produce grey literature include government departments and agencies, civil society or non-governmental organizations, academic centres and departments, and private companies and consultants.
The African Studies Library has a significant collection of ephemera / gray literature / pamphlets organized by country/region and subject. Ask the African Studies Librarians to show you the collection; it's a treasure trove of information!