He also wrote a number of important works on Chinese law and society, which are still consulted.
"le droit Chinois", one of his work, was made to explain to France's government the base of Chinese's law.
He was a collaborator of the journal "Copyright – Geistiges Eigentum – La Propriété Intellectuelle.
International Review of the Protection of Literary, Artistic and Industrial Property" from 1935 till 1940.
Escarra is also known for having organized alpine expeditions in his capacity as president of the Groupe de Haute Montagne.