In 1883, with 3,000 volumes, it moved to the Mother Church of Our Lady of the Conception and, in 1887, it was transferred to the Colégio Dom Pedro II, the state college.

[5] The library's current headquarters, located at 57 Barroso Street, began to be built during the government of Antônio Constantino Néri in the neoclassical style and was inaugurated on October 5, 1910.

In the beginning, the library was frequented by the cultural and social elite of the time, which included teachers, lawyers, doctors, magistrates, priests and merchants.

[5] Due to the economic stagnation in Amazonas as a result of the collapse in rubber prices, the library underwent a major setback and was unable to renew its collection or acquire new works.

In the early hours of August 22, 1945, a fire completely destroyed the library's assets; only 60 books in an exhibition outside the building were saved.