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 HealthFinder August 10, 2018 InfoTrac Student Edition July 1, 2018 LitFinder July 1, 2018 Small Engine Repair Reference Center (SERRC) July 5, 2019