mozilla-foundation/common_voice_18_0/es: "validated" split removing "test_cv" and "dev_cv" split's sentences. (validated split contains official train + dev + test splits and more unique data)
openslr: a train split made from the SLR(39,61,67,71,72,73,74,75,108) subsets… See the full description on the dataset page:
https://huggingface.co/datasets/HiTZ/composite_corpus_es_v1.0.