The most complete of their works, The Four Books of Pseudo-Democritus, were probably written in the first century AD.
ðə mˈoʊst kəmplˈiːt ʌv ðɛɹ wˈɜːks, ðə fˈoːɹ bˈʊks ʌv sˈuːdoʊdˈɛməkɹˌɪɾəs, wɜː pɹˈɑːbəbli ɹˈɪʔn̩ ɪnðə fˈɜːst sˈɛntʃɚɹi ˌeɪdˈiː.