Classification. Class P, subclasses P-PM supplement Index to languages and dialects.
Egile korporatiboa: | , |
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Formatua: | Liburua |
Hizkuntza: | English |
Argitaratua: |
Washington
[U. S. Government Printing Office]
1957.
|
Edizioa: | Second edition. |
Gaiak: |