article id 7416,
Nuori Hannikainen metsäpoliitikkona.
article id 7416.
The young Hannikainen as a forest politician.
Full text in PDF
The article revises the accomplishments of professor Peter Woldemar Hannikainen, the former director of Forest Service of Finland, in the development of forest sector in the end of 1800s and beginning of 1900s.
The PDF includes a summary in German.