Disputationis de stichometria deque Heliodoro supplementum / [Friedrich Ritschl]. In: . Jg.1840 (1840). Bonnae : Georgi, 1840, S. III-X
Index scholarum quae, ..., in Universitate Fridericia Guilelmia Rhenana ... publice privatimque habebunturWS 1840/41Disputationis de stichometria deque Heliodoro supplementum
Index scholarum quae, ..., in Universitate Fridericia Guilelmia Rhenana ... publice privatimque habebunturWS 1840/41Disputationis de stichometria deque Heliodoro supplementum