Hortus bulborum
Zonneveld, B.J.M. (Ben) (Wed, 07 Sep 2011 00:44:30 PDT)

Hortus bulborum Is a large collection of cultivars of out of fashion tulips and daffodils and fritillaria and some more. However it is not in Leiden but in Limmen 75 km north of leiden.
Ben Zonneveld