Now the library contains historical documents and items and hosts an exhibition about the history of the university.

On 10 August 1731, he began his studies at the St. Stephen seminary (Szent István Papnevelő Intézet) where he learned theology and liberal arts for two years.

[1] After he took his position, Maria Theresa offered him – and his brother (János and Márton), as well as his cousin (Ádám) – a nobiliary title.

Even though – as a serf family descendant – he understood their point of view, he could not free the city because of his episcopal vow.

Klimó supported many things during his term, such as the music of the episcopal see, literature, poetry and the renovation and decoration of the Cathedral of Pécs.

The predecessor of György Klimó, Bishop Zsigmond Berényi, who was the head of the episcopal see from 1736 until 1748[2] had a private library with around 3000 volumes, mostly theological, liturgical, legal and history works.

With around a thousand volumes of the Chapter of the Cathedral, also in the same subject, the sum thereof constituted the basis of the library to which Bishop György Klimó added his own collection.

Journals of that time – such as the Pressburger Zeitung and the Wienerisches Diarium – wrote that the collection of the library contained about 20,000 volumes.

Various fields, such as catholic and protestant theology, history, natural sciences and medicine, mathematics, linguistics and works of contemporary banned authors.

His successor, Bishop Pál László Esterházy increased the collection of the library, mostly with Hungarian and French contemporary works.

He is also called the "second founder" thereof, as he continued developing the library, and had it arranged according to the most modern ways of that period.

The current classicist building of the library was built in 1830 by József Piacsek after the bishop’s order.

The replacement of the lost collection of the university library was very complicated during the afterwar-period because financial issues.

From 1930 until 1934, József Fitz, one of the most prominent figures of the Hungarian librarianship, was the director of the university, who faced serious problems during his term.

During his time, around 1400 students were studying at the university and the capacity of the library’s reading room was only 24 people.

In order to have a reliable survey of the stock of books, a complete revision was needed, and making a catalogue of the whole library was necessary.

The most important tasks to be carried out were the followings: He refashioned the ground-floor; enlarging it, and research-rooms with reference-libraries were set up.

The scope of the library’s duties also encompassed the support of the lecturers and students of the university with giving them the necessary documents in connection with their works.

Most of the documents were lendable except the original Klimo Library collection, those manuscripts, curiosities, periodicals and books which had been published before 1850.