[edited by] Edmund J. Sass with George Gottfried, Anthony Sorem; foreword by Richard Owen. Polio's legacy: an oral history. Washington, D.C: University Press of America. 1996 [2008-01-22]. ISBN 0-7618-0144-8. (原始内容存档于2020-02-13).
[edited by] Edmund J. Sass with George Gottfried, Anthony Sorem; foreword by Richard Owen. Polio's legacy: an oral history. Washington, D.C: University Press of America. 1996 [2008-01-22]. ISBN 0-7618-0144-8. (原始内容存档于2020-02-13).