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pdf
- Author: Steve Seegmiller
- Language: English
- Year: 1996

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- Language: English
- Year: 2010

Bulgare
pdf
- Author: Jack Feuillet
- Language: French
- Year: 1995

- Author: Jürgen Bohnemeyer
- Language: English
- Year: 2002

Karachay
pdf
- Author: Steve Seegmiller
- Language: English
- Year: 1996

- Author: George Hewitt
- Language: English
- Year: 2010

Betoi
pdf
- Author: Raoul Zamponi
- Language: English
- Year: 2003

- Author: Jon D. Patrick & Ilari Zubiri Ibarrondo
- Language: English
- Year: 2002

Betoi
pdf
- Author: Raoul Zamponi
- Language: English
- Year: 2003

- Author: Kristina Sands
- Language: English
- Year: 1996