Jena and Leipzig: C.E. Gabler, 1796-1797. First Edition. Small Octavos, Two volumes; G+; Contemporary marbled boards, with volume numbers handwritten in ink on spines; Boards show moderate plus wear to edges and corners; Textblock has moderate uneven age-toning overall, with very minor foxing to edges; Early signature ("H. Leitenberger") appears on the verso of the titlepage of each volume; CONTENTS: Vol. I. (, 229, ) -- Vol. II. (, 269 pages).