1. A case of spondylolisthesis, with description of the pelvis Author(s): Williams, J. Whitridge (John Whitridge), 1866-1931, author Publication: [Philadelphia] : [publisher not identified], [1899] Subject(s): SpondylolisthesisPelvisPelvic BonesLumbosacral Region
2. Spondylolisthesis, with description of a case Author(s): Lovett, Robert W. (Robert Williamson), 1859-1924, author Publication: [Philadelphia, Pa.?] : [publisher not identified], [1897?] Subject(s): Lumbar Vertebrae -- physiopathologySpondylolisthesis
