Pieter Duijff

Open Access to Frisian Language Material

Eduard Drenth, Pieter Duijff, Hindrik Sijens, 2017 .

Static spatial descriptions in five Germanic languages

Åshild Næss, Raphael Berthele, Pieter Duijff, 2015 .

The language norm in a century of Frisian dictionaries

Pieter Duijff, P. Duijff, 2010 .

Lexicography in a Minority Language: A Multifunctional Online Dutch-Frisian Dictionary

Pieter Duijff, Frits van der Kuip, 2018 .