Spheres of influence
type: Concept
main entity of page: http://data.bibliotheken.nl/doc/thes/p078549280
main entity of page: https://koninklijkebibliotheek.triply.cc/.well-known/genid/ab38512732d73812b9f0b2d13511ca7b
in scheme: gtt
preferred label: Invloedssferen @nl