De Vero Et Originario Fvndamento Obligationis Rvsticorvm; Ad Operas Et Censvm Praestandvm Commentatio / Qvam ... Ad Svmmos In Vtroqve Ivre Honores Die XXIV. Avgvsti MDCCLXXXXIII. Rite Obtinendos, Ervditorum Disqvisitioni Offert Henricvs Adolphvs Lehzen Hannoveranvs. Gottingae : Grape, 1793