| Recording | Piece | Others themes | Sumary |
| I-013 | A05 | grammar: - appearance | |
| I-013 | B01 | ||
| I-017 | A07 | ||
| I-017 | B01 | ||
| I-017 | B03 | Basque language: | |
| I-018 | B02 | ||
| I-019a | A01 | ||
| I-019c | B01 | ||
| I-019c | B03 | ||
| I-020 | A05 | grammar: - grammar: | |
| I-021 | A03 | ||
| I-021 | A05 | ||
| I-021 | B02 | agriculture: | |
| I-021 | B06 | grammar: - grammar: | |
| I-021 | B08 | ||
| I-022a | A01 | grammar: | |
| I-022a | A03 | ||
| I-028 | A01 | ||
| I-028 | A04 | ||
| I-028 | B01 | nutrition: - animal husbandry: | |
| I-029 | A01 | ||
| I-029 | A03 | ||
| I-029 | A05 | ||
| I-029 | B04 | ||
| I-029 | B07 | ||
| I-029 | B09 | plants - animals: | |
| I-030 | A06 | plants - animals: | |
| I-030 | A08 | ||
| I-030 | A09 | ||
| I-030 | B01 | ||
| I-031 | A02 | ||
| I-031 | B02 | animals: | |
| I-031 | B03 | animals | |
| I-031 | B04 | animals: | |
| I-031 | B05 | animals: | |
| I-031 | B06 | animals: | |
| I-032 | A11 | animals: | |
| I-032 | A03 | tree - fruit - jobs: | |
| I-032 | A04 | agriculture: | |
| I-032 | A05 | plants | |
| I-032 | A06 | nutrition: | |
| I-032 | A07 | grammar: | |
| I-032 | A09 | body: | |
| I-033a | A02 | ||
| I-033a | A05 | grammar: - grammar: - grammar: |