This guide is intended for students and researchers studying Frisian or Old Frisian at the University of Oxford, although students and researchers from any field may find it useful.
Use this guide to find out about books and online resources for Frisian, including ebooks, ejournals, and bibliographic databases.
https://taalportaal.org/taalportaal/Taalportaal
The Taalportaal offers short introductions to various linguistic topics for nFrisian, Dutch and Afrikaans, all written by specialist scholars, with suggestions for further reading.
The Frisian Academy offers a linguistic bibliography for Modern Frisian. Titles are organised by topic.
The Frisian Academy also offers Frisian spell checkers. for those who wish to improve their writing skills.
Grammar of Saterfriesian or East Frisian : Grammatik des Saterfriesischen, by Bouke Slofstra, Eric Hoekstra & Tessa Leppers (2021)