From the Wikipedia page [1]

The National Archives of Namibia is the national archives of Namibia, located in Windhoek and it was established in 1939. It holds 5600 maps, 61000 photographies, 2000 audio cassettes, 450 films and a complete collection of all local newspapers from 1897 to 1962. It shares a building with the National Library of Namibia.

More information here [2].