alt - Southern Altai|https://publications.rifs-potsdam.de/cone/iso639-2/resource/alt
arc - Official Aramaic (700-300 BCE)|https://publications.rifs-potsdam.de/cone/iso639-2/resource/arc
aar - Afar|https://publications.rifs-potsdam.de/cone/iso639-2/resource/aar
abk - Abkhazian|https://publications.rifs-potsdam.de/cone/iso639-2/resource/abk
ace - Achinese|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ace
ach - Acoli|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ach
ada - Adangme|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ada
ady - Adyghe|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ady
afa - Afro-Asiatic languages|https://publications.rifs-potsdam.de/cone/iso639-2/resource/afa
afh - Afrihili|https://publications.rifs-potsdam.de/cone/iso639-2/resource/afh
afr - Afrikaans|https://publications.rifs-potsdam.de/cone/iso639-2/resource/afr
ain - Ainu (Japan)|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ain
aka - Akan|https://publications.rifs-potsdam.de/cone/iso639-2/resource/aka
akk - Akkadian|https://publications.rifs-potsdam.de/cone/iso639-2/resource/akk
alb / sqi - Albanian|https://publications.rifs-potsdam.de/cone/iso639-2/resource/alb
ale - Aleut|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ale
alg - Algonquian languages|https://publications.rifs-potsdam.de/cone/iso639-2/resource/alg
amh - Amharic|https://publications.rifs-potsdam.de/cone/iso639-2/resource/amh
ang - Old English (ca. 450-1100)|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ang
anp - Angika|https://publications.rifs-potsdam.de/cone/iso639-2/resource/anp
apa - Apache languages|https://publications.rifs-potsdam.de/cone/iso639-2/resource/apa
ara - Arabic|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ara
arg - Aragonese|https://publications.rifs-potsdam.de/cone/iso639-2/resource/arg
arm / hye - Armenian|https://publications.rifs-potsdam.de/cone/iso639-2/resource/arm
arn - Mapudungun|https://publications.rifs-potsdam.de/cone/iso639-2/resource/arn
arp - Arapaho|https://publications.rifs-potsdam.de/cone/iso639-2/resource/arp
art - Artificial languages|https://publications.rifs-potsdam.de/cone/iso639-2/resource/art
arw - Arawak|https://publications.rifs-potsdam.de/cone/iso639-2/resource/arw
asm - Assamese|https://publications.rifs-potsdam.de/cone/iso639-2/resource/asm
ast - Asturian|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ast
ath - Athapascan languages|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ath
aus - Australian languages|https://publications.rifs-potsdam.de/cone/iso639-2/resource/aus
ava - Avaric|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ava
ave - Avestan|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ave
awa - Awadhi|https://publications.rifs-potsdam.de/cone/iso639-2/resource/awa
aym - Aymara|https://publications.rifs-potsdam.de/cone/iso639-2/resource/aym
aze - Azerbaijani|https://publications.rifs-potsdam.de/cone/iso639-2/resource/aze
map - Austronesian languages|https://publications.rifs-potsdam.de/cone/iso639-2/resource/map
tut - Altaic languages|https://publications.rifs-potsdam.de/cone/iso639-2/resource/tut
cai - Central American Indian languages|https://publications.rifs-potsdam.de/cone/iso639-2/resource/cai
cpe - Creoles and pidgins, English based|https://publications.rifs-potsdam.de/cone/iso639-2/resource/cpe
cpf - Creoles and pidgins, French-based |https://publications.rifs-potsdam.de/cone/iso639-2/resource/cpf
cpp - Creoles and pidgins, Portuguese-based |https://publications.rifs-potsdam.de/cone/iso639-2/resource/cpp
crp - Creoles and pidgins |https://publications.rifs-potsdam.de/cone/iso639-2/resource/crp
gba - Gbaya (Central African Republic)|https://publications.rifs-potsdam.de/cone/iso639-2/resource/gba
grc - Greek, Ancient|https://publications.rifs-potsdam.de/cone/iso639-2/resource/grc
ina - Interlingua (International Auxiliary Language Association)|https://publications.rifs-potsdam.de/cone/iso639-2/resource/ina
nai - North American Indian languages|https://publications.rifs-potsdam.de/cone/iso639-2/resource/nai
sai - South American Indian (Other)|https://publications.rifs-potsdam.de/cone/iso639-2/resource/sai
sam - Samaritan Aramaic|https://publications.rifs-potsdam.de/cone/iso639-2/resource/sam