De constructione castri Saphet: Construction et fonctions d'un château fort franc en Terre Sainte
pdf
- Author: R.B.C. Huygens
- Language: French
- Year: 1981
- Author: Christiaan Huygens
- Language: English
- Year: 1986
- Author: R.B.C. Huygens (ed)
- Language: Latin
- Year: 1996
Treatise on Light
epub
- Author: Christiaan Huygens
- Language: English
- Year: 2018
- Author: Christiaan Huygens A Heckscher Arthur von Oettingen (eds.)
- Language: German
- Year: 1913
- Author: Berengar of Tours, R. B. C. Huygens (Ed.)
- Language: Latin
- Year: 1988