1961
Johanna Westerdijk, Dutch pathologist and academic (born 1883)
Johanna Westerdijk, Dutch pathologist and academic (born 1883)
Johanna Westerdijk, Dutch pathologist and academic (born 1883)
Dutch plant pathologist (1883–1961)
Johanna Westerdijk, Dutch pathologist and academic (born 1883)
Johanna Westerdijk, Dutch pathologist and academic (born 1883)