Johann Ambrosius Barth (Firm) Corporate Name: Johann Ambrosius Barth (Firm) Letter Clausius, R.; Burndy Library Manuscripts Collection (Smithsonian Libraries); Johann Ambrosius Barth (Firm) Read more about Letter
Corporate Name: Johann Ambrosius Barth (Firm) Letter Clausius, R.; Burndy Library Manuscripts Collection (Smithsonian Libraries); Johann Ambrosius Barth (Firm) Read more about Letter
