- Author: Henry Christopher Wallich
- Language: English
- Year: 2014
- Author: Julius Klein
- Language: English
- Year: 1920
- Author: James M. Henderson
- Language: English
- Year: 1958
- Author: Stuart Daggett
- Language: English
- Year: 1908
- Author: Don C. Barrett
- Language: English
- Year: 1931
- Author: Theodore Morgan
- Language: English
- Year: 1948
- Author: Clarence Henry Haring
- Language: English
- Year: 1918
- Author: George Randall Lewis
- Language: English
- Year: 1907
- Author: Harry D. White
- Language: English
- Year: 1933
- Author: Wesley Everett Rich
- Language: English
- Year: 1924