- Author: Eric Ostertag (auth.)
- Language: English-Bashkir
- Year: 2011
- Author: Eric Ostertag (auth.)
- Language: English-Bashkir
- Year: 2011
- Author: Eric Ostertag (auth.)
- Language: English-Bashkir
- Year: 2011
- Author: Jean Levine (auth.)
- Language: English
- Year: 2009
- Author: Jean Levine (auth.)
- Language: English
- Year: 2009