CHANNING, Walter (1786-1876). Two Cases of Inhalation of Ether in Instrumental Labor. [N.p.: n.d., but Boston: 1847]. 8° (232 x 141mm). (A few markings in ink, light browning). Preserved in a slip case with central pocket. Provenance: PRESENTATION COPY FROM THE AUTHOR to James Jackson -- Public Library of the City of Boston (with stamp on title and first leaf) -- THE NORMAN COPY (book-label).