Complex sentence: Nahuatl literature is extensive (probably the most extensive of all Indigenous languages of the Americas), including a relatively large corpus of poetry (see also Nezahualcoyotl); the "Huei tlamahuiçoltica" is an excellent early sample of literary Nahuatl.
Split into simpler sentences: Nahuatl literature is extensive (probably the most extensive of all Indigenous languages of the Americas), including a relatively large corpus of poetry (see also Nezahualcoyotl). The "Huei tlamahuiçoltica" is an excellent early sample of literary Nahuatl.