Publications in the Aid category Click on any of the publications below to find out more about them, or to purchase PDF copies. Changing Dollars into Zaires: The Challenges of a Humanitarian Aid NGO in the Democratic Republic of Congo, 1965–1972 IJAHS 49, by Jeremy Rich , pp. 77—101 p. (2016) Aid or Imperialism? West Germany in Sub-Saharan Africa, WP 61, by Brigitte Schulz and William Hansen, (1982)