Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla " Hotuna da nazarin rayuwar daji ", wanda ya bayyana a 1868.
Tabbas, mafi mahimmancin jumlar ita ce "Scenes and studies of savage life '", wanda ya bayyana a 188 AD A 187 BC ya rubuta '' Ilimi na Rural Poor '' wanda ya yi jayayya don fadada ilimin ilimi ga kowa da kowa, ciki har da ma'aikatan aikin gona. "