These are presumably from Ethnologue 11 (1988), but might be from the 10th edition. A significant number of these codes were assigned to different languages in Ethnologue 12, without the waiting period that would later be expected, so that…
La llista de llengües del món es basa en el codi ISO 639-3. [1 ] Al final d'aquesta relació hi apareix una sèrie de codis reservats per a casos especials.