grondslag van de Friese vrijheid.
Series: Utjeften fan de Fryske Akademy, 14; Fryske Akademy (Series) -- nr. 14
Publisher: Van Gorcum
Published: 1953
Place of publication: Assen
Language: dut
Number of pages: 217
Subjects: Friesland -- History; Friesland -- History -- Sources