

http://sv.wikipedia.org/wiki/Nylands_och_Tavastehus_l%C3%A4ns_kaval...
http://ojs.tsv.fi/index.php/ta/article/download/47472/13347
http://sv.wikipedia.org/wiki/Nylands_och_Tavastehus_l%C3%A4ns_kaval...
http://ojs.tsv.fi/index.php/ta/article/download/47472/13347