"Largest separately housed Africana collection in world". Most of the Herskovits Library's collection can be found in NUcat, Northwestern University Library's online catalog. Two special online indexes are also available. The Africana Conference Paper Index provides access to individual papers presented at African studies conferences world-wide in the Herskovits Library's collections. The Africana Vertical File Index provides access to the Herskovits Library's vertical file of ephemera, government documents and official publications, annual reports, laws, commission reports, material from trade unions, political parties and national liberation movements.