<nowiki>Robert Jacob Fruin; Robert Fruin; Robert Fruin; Роберт Якобус Фрёйн; Robert Fruin; Robert Jacob Fruin; Robert Fruin; Robert Fruin; Robert Fruin; Robert Fruin; Robert Jacob Fruin; Роберт Фрейн; Robert Fruin; Robert Fruin; Robert Jacob Fruin; Robert Jacob Fruin; Robert Fruin; Robert Jacob Fruin; Robert Jacob Fruin; Robert Jacob Fruin; Robert Fruin; Robert Fruin; Robert Jacob Fruin; Robert Fruin; Robert Jacob Fruin; Robert Fruin; Robert Fruin; Robert Jacob Fruin; Robert Jacob Fruin; Robert Fruin; روبرت جاكوب فروين; Robert Jacob Fruin; Robert Fruin; Robert Jacob Fruin; Robert Jacob Fruin; Robert Jacob Fruin; Robert Fruin; Robert Fruin; Robert Fruin; Robert Fruin; Robert Fruin; Robert Fruin; Robert Jacob Fruin; Robert Fruin; Robert Fruin; professore universitario; ওলন্দাজ ইতিহাসবেত্তা; professeur d'université; Hollandi ajaloolane; historiador neerlandès; Historiker (1823-1899); Dutch historian (1823-1899); Dutch historian; تاریخنگار هلندی; Universiteit onderwyser; universitetslærer; istoric olandez; historian holandez; أستاذ جامعي; profesor universitario; مؤرخ من مملكه نيديرلاند; universitetslærar; היסטוריון הולנדי; Nederlands historicus (1823-1899); universitetslärare; holland történész; universitetslærer; yliopisto-opettaja; historiador neerlandés; Dutch historian; dosen; academydd; Robert Fruin; Robert Fruin; Фрёйн, Роберт Якобус; Robert Fruin; Robert Jacobus Fruin; Robert Fruin; R.J. Fruin; Robert Fruin; Robert Fruin; Robert Fruin; Robert Fruin; Robert Jacobus Fruin; Robert Fruin; Robert Fruin; R.J. Fruin; R. Fruin; Robert Jacobus Fruin; Robert Jacob Fruin; Robert Jacobus Fruin; Robert Fruin; Robert Fruin; Robert Fruin; R.J. Fruin; R. Fruin; Robert Jacobus Fruin; Robert Fruin; Robert Fruin; Robert Fruin</nowiki>