Heimsoeth, Friedrich: Friderici Heimsoethi epistola Florentina de cod. Lavrent. IX Plvt. XXXII. . In: Index scholarum quae, ..., in Universitate Fridericia Guilelmia Rhenana ... publice privatimque habebuntur. vol.WS 1876/77
 

Index scholarum quae, ..., in Universitate Fridericia Guilelmia Rhenana ... publice privatimque habebunturWS 1876/77Friderici Heimsoethi epistola Florentina de cod. Lavrent. IX Plvt. XXXII