Norske Gaardnavne (English: Norwegian Farm Names) is a 19-volume set of books based on a manuscript prepared from 1897 to 1924 by Oluf Rygh, a noted professor of archaeology, philology, and history at the University of Oslo.
The book contains a standardized notation, information on pronunciation, historical forms, and the etymology for recorded gaardnavne (oeconyms, or farm, estate, and manor names) in Norway.
Hence the commission reviewed a number of older sources including old land records and the various letters and documents that comprise the Diplomatarium Norvegicum.
The analysis identified derivations from a variety of sources, including: After the initial manuscript was completed in 1892, the material was submitted to the National Archival Services of Norway.
With the support of the Arts Council Norway and nine counties, Norske Gaardnavne has been converted to an online digital database, which is available to the public for research.