| Value | Category |
|---|---|
| 00 | NIU (not in universe) or blank |
| 01 | English |
| 02 | German |
| 03 | Yiddish, Jewish |
| 04 | Dutch |
| 05 | Swedish |
| 06 | Danish |
| 07 | Norwegian |
| 08 | Icelandic |
| 10 | Italian |
| 11 | French |
| 12 | Spanish |
| 13 | Portuguese |
| 14 | Rumanian |
| 15 | Celtic |
| 16 | Greek |
| 17 | Albanian |
| 18 | Russian |
| 19 | Ukrainian, Ruthenian, Little Russian |
| 20 | Czech |
| 21 | Polish |
| 22 | Slovak |
| 23 | Serbo-Croatian, Yugoslavian, Slavonian |
| 24 | Slovene |
| 25 | Lithuanian |
| 26 | Other Balto-Slavic |
| 27 | Slavic unknown |
| 28 | Armenian |
| 31 | Hindi and related |
| 33 | Finnish |
| 34 | Magyar, Hungarian |
| 35 | Uralic |
| 36 | Turkish |
| 39 | Basque |
| 43 | Chinese |
| 48 | Japanese |
| 49 | Korean |
| 54 | Filipino, Tagalog |
| 56 | Hawaiian |
| 57 | Arabic |
| 58 | Syriac, Aramaic, Chaldean |
| 59 | Hebrew, Israeli |
| 70 | American Indian (all) |
| 72 | Algonquian |
| 73 | Salish, Flathead |
| 74 | Athapascan |
| 75 | Navajo |
| 76 | Penutian-Sahaptin |
| 77 | Other Penutian |
| 78 | Zuni |
| 79 | Yuman |
| 80 | Other Hokan languages |
| 81 | Siouan languages |
| 82 | Muskogean |
| 83 | Keres |
| 84 | Iroquoian |
| 85 | Caddoan |
| 86 | Shoshonean, Hopi |
| 87 | Pima, Papago |
| 88 | Yaqui and other Sonoran, nec |
| 90 | Tanoan languages |
| 93 | American Indian, n.s. |