Nicolaas Hendrik van Harpen
type: Person
birth date: 1901
description: Tropische landbouw
family name: van Harpen
given name: Nicolaas Hendrik
main entity of page: https://data.bibliotheken.nl/.well-known/genid/0ad0066591835924b6bc67fe610658c5
label: Harpen, Nicolaas Hendrik van (1901-)