Gertsch, Willis J. (1906-)
http://data.bibliotheken.nl/id/thes/p069855609 an entity of type: Person
Gertsch, Willis J. (1906-)
Gertsch, Willis John
Willis J. Gertsch
xsd:gYear
1906
Gertsch
Willis J.
blank nodes
069855609
xsd:date
2023-05-20