Jan Knappert

Jan Knappert (January 14, 1927, Heemstede – May 30, 2005, Hilversum, Netherlands) was a well-known expert on the Swahili language. He was also an Esperantist, and he wrote an Esperanto-Swahili dictionary. Provided by Wikipedia

2
by Knappert, Jan
Published 1970
Heinemann

3
by Knappert, Jan
Published 1971
Heinemann