Noordfolk
Veenkoloniaal museum in Veendam
Stichting Toverbal (Dutch traditional dancing)
Alex Vissering
Diesel ("Ost Fries" magazine)
Oostfreeske Taal
Stichting Volksmuziek Nederland
Grunneger bladziede of Dick Kuil
Streektaalmuziek Music in Dutch tradional languages
Martinistad
Music from the north of Germany
THEIN-Studios in Bremen (Germany).
Bronze Audio

(Various CD's including CD's of Törf)