- Author: Martin F. Grace, Robert W. Klein
- Language: English
- Year: 2009
- Author: Burns Robert G., Klein Felix Christian, Poincaré Henri, Saint-Gervais Henri Paul de
- Language: English, French
- Year: 2016
- Author: Randolph B. Schiffer M.D. Robert F. Klein M.D. Roger C. Sider M.D. (auth.)
- Language: English
- Year: 1988
- Author: Robert H. Klein Harold S. Bernard Victor L. Schermer
- Language: English
- Year: 2011