Madrasas in Kano, Katsina, Sokoto housed Arabic manuscripts (theology, law, poetry, science). Endowed by scholars/rulers; centers of learning.
Government libraries in Kaduna, Kano, Jos served officials. Introduced Western cataloging, English collections. Laid groundwork for public library concept.
Federal/state libraries in capitals (Kaduna, Kano, Maiduguri). Books, newspapers, audiovisual. Supported education, literacy campaigns.
NGO-driven, village-level. Focus on mother-tongue materials, digital access, women's literacy. Fill gaps in rural areas.
Continuity: Preservation of knowledge → education → community empowerment.