- French catalogue , criteria, select: Résistance au Virus A
- the European Cultivar Potato Database with almost 1600 clones/cultivars with resistance data on PVA
the British Potato Varieties Database, select Resistance to ...
varieties in the Netherlands NIVAP
Neiker: about 40 observations in downloadable data set (varieties).
GRIN: resistance data on 170 acc. (some overlap): relevant webpage