Cosmoglotta
E-book version of the "Cosmoglotta" magazine.
English-Interlingue Dictionary
E-book and DICT versions of "English-Interlingue Dictionary" by Charles Kemp and F.R. Pope, 1958.
Grammatica de Interlingue in Interlingue
E-book version of "Grammatica de Interlingue in Interlingue", by Dr. Fritz Hass, 1956.