Gymnasii Academici Gissensis examina publica diebus ... instituenda indicit / De accurata psychologiae cognitione, paedagogo maxime necessaria exponit / Christian Wilhelm Snell. Giessen : Braun, 1780
 

Gymnasii Academici Gissensis examina publica diebus ... instituenda indicitDe accurata psychologiae cognitione, paedagogo maxime necessaria exponit