@misc{Fredro_Andrzej_Maksymilian_(ca 1620-1679)_Andreae,
 author={Fredro, Andrzej Maksymilian (ca 1620-1679)},
 howpublished={online},
 language={lat},
 type={starodruk},
 title={Andreae Maximiliani Fredro [...] Monita politico-moralia et Icon ingeniorum},
 title={Icon ingeniorum},
}