In 1776 , Grand Master Emmanuel de Rohan - Polduc formally founded the Bibliotheca Publica .
Bibliotheca Publica was also called the Bibliotheca Tanseana in De Tencin 's honour .
In 1776 , Grand Master Emmanuel de Rohan - Polduc formally founded the Bibliotheca Publica , and it was also called the Bibliotheca Tanseana in De Tencin 's honour .