Language Materials
Grammar
M. A. F. Holmes’ English translation (1903) of the grammar accompanying the dictionary.
Dictionary
Searchable version of M. A. F. Holmes’ English translation (1903) of the original German Wörterbuch der Neutralsprache.
Supplement
Published in German by Rosenberger, this supplement (1906) includes new words accepted by the Academy (chiefly scientific and geographical).
History of the Language
Timeline
A timeline of Idiom Neutral’s origins and development, written entirely in the language itself.