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Scholten C.W.R. jr. & H.H. Scholten-Commelin Founders of the
Phytopathologisch Laboratorium Willie Commelin Scholten Baarn, Netherlands, in
memory of their son. From: Tijdschrift voor tuinbouw by H. Bos, A. Ide, Ernst H. Krelage, B.A. Plemper van Balen and Leonard A. Springer. Groningen, J.B. Wolters, 1899, volume 4. Photograph (sheet 153 x 243 mm). Text by Heinrich Witte enclosed. € 30
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