Mango Languages Post category:Languages / Reference & Research / Teens An online language-learning system teaching actual conversation skills for a wide variety of languages. Library-funded. Tags: Library-funded You Might Also Like Academic OneFile July 1, 2018 Gale Virtual Reference Library (GVRL) September 19, 2018 Auto Repair Source July 2, 2019 Kids InfoBits July 1, 2018