-Illustrated Flora of the Netherlands-

Lithprint , Forte paper, Ansco 72

4x5 negative, Agfa aviphot pan 200

 

-Geïllustreerde Flora van Nederland- Heimans, Heinsius en Thijsse. (First printed 1899)

 

In 1905 Jac. P. Thijsse founded an union to buy the Naardermeer to prevent the city of Amsterdam using it as a landfill.

That was the start of the Society for Preservation of Nature Monuments in the Netherlands.

 

Done