1. Two cases of inhalation of ether in instrumental labor Author(s): Channing, Walter, 1786-1876 Publication: [Boston : s.n., 1847?] Subject(s): Extraction, ObstetricalEther -- therapeutic use
2. On etherization in childbirth Author(s): Channing, Walter, 1786-1876 Publication: [Philadelphia? : s.n., 1849?] Subject(s): Ether -- therapeutic useLabor, Obstetric