In this section you can find information about the towns included in the study
| Town | Dialects | Maps | Records |
| Erratzu | 38 |
| Record | Type | Collection | Main theme | Title | Informant |
| NEZ-090 | Texto | Nafarroako Esaera Zaharrak | Erratzu. Proverbs.. | ||
| NEZ-095 | Texto | Nafarroako Esaera Zaharrak | Baztan. Proverbs.. | ||
| II-109b | Audio | Irulegi Irratia | Her life. | Mai Lux | |
| II-120a | Audio | Irulegi Irratia | To have children long ago. | Mari Pilar | |
| II-157b | Audio | Irulegi Irratia | His life. | Jean Cinquambre | |
| II-174a | Audio | Irulegi Irratia | Old songs. | Pedro Recarte | |
| N-013 | Audio | Orreaga Ibarra | Free conversation: in Erratzu and Amaiur, husband, family, tenant farmer´s life, how to bring up a 6 monts old baby, soon and daughters. | Josefa Irigoien Bikondo (1903) | |
| N-021 | Audio | Orreaga Ibarra | Free conversation: childhood memories and youth. | Beatriz Iribarren Irigoien | |
| T-182 | Audio | Toponimia | Martín Ospital Apeceche (1938). Ángel Aizpurua Urritza (1917). Teófilo Dagerre Ibarrola (1957). Manuel Recarte Elizalde (1916). Faustina Suquilbide Erramuzpe (1916). Antton Ariztia Eliceche (1953). Juan Mª Dufurrena Echenique (1927). Cecilio Echart Arguinarena (1917). Juana Gamio Bicondoa (1930). Gregorio Lastiri Dorremochea (1916). Mª Isabel Echenique Ariztia (1931). Pedro Recarte Gortari (1934). Gerardo Iribarren Aguirre (1938). Juan Marisco Echeverría. | ||
| X-024a | Audio | Xorroxin Irratia | Contraband. | Pedro Rekarte "Kaston" | |
| X-033 | Audio | Xorroxin Irratia | Contraband. | Pedro Rekarte "Kaston" | |
| ATBA-063 | Audio | Ahozko Tradizioa Baztan | Shops. Bar. Fiestas celebrated in the village. Council. Time of war. Bandits from Lantz. Baztan: name and history. Agotes. Lamiae. Perkain the pelotari. | ERRATZU.8 | |
| ATBA-062 | Audio | Ahozko Tradizioa Baztan | Nuns from the Arizkun convent. | ERRATZU.7 | |
| ATBA-061 | Audio | Ahozko Tradizioa Baztan | Urritzate. Fiestas celebrated in the village. Children’s games. Wild mushrooms. Bees. Remedies. Witches and lamiae. The Basque language in Urritzate. | ERRATZU.6 | |
| ATBA-060 | Audio | Ahozko Tradizioa Baztan | School. Basque language. Food. Water at home. Menstruation. Houses in the past. Floods of 1913. Relationships between villages. Smuggling. Religion. Remedies. Names of the months. | ERRATZU.5 | |
| ATBA-059 | Audio | Ahozko Tradizioa Baztan | Time of war. Soldier. American soldiers. Carlist wars. Smuggling. Gypsies. Floods of 1913. Gorostapalo. Chapels. Brotherhoods. Mills. Fiestas celebrated in the village. Sayings about the villages. Ice houses. Urritzate. Witches. | ERRATZU.4 | |
| ATBA-058 | Audio | Ahozko Tradizioa Baztan | Bees. Shops and bars. Smuggling. Food. Religion. Remedies. Basque language. Witches. | ERRATZU.3 | |
| ATBA-057 | Audio | Ahozko Tradizioa Baztan | Remedies. Songs. Children’s games. Basque language. Making pitarra (cider). Chapels. Witches. Cleaning: house, clothes and body. Form of dress. | ERRATZU.2 | |
| ATBA-056 | Audio | Ahozko Tradizioa Baztan | Tales about Pernando Amezketarra. Songs and verses. | ERRATZU.1 | |
| ATBA-055 | Audio | Ahozko Tradizioa Baztan | Smuggling. Bees. Soldiers in Baztan. Floods of 1913. Agotes. Sayings about the villages. Beliefs. Witches. Lamiae. Samson. Basajaun. Dead souls. Animal tales. | ERRATZU.1 | |
| EHHA-4_22_01 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_02 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_03 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_04 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_05 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_06 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_07 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_08 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_09 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_10 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_11 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_12 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_13 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_14 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_15 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_16 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_17 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena | |
| EHHA-4_22_18 | Audio | Euskararen Herri Hizkeren Atlasa | A study of the language for the Linguistic Atlas of the Basque language. | Timoteo Otxandorena |