From the analysis of your sentence, it should be that it has more than 60 expert subject libraries and a university library. Because in your original text, you said "and the university library", which is singular and written in capital letters, indicating that it refers specifically to this library. And connecting two parallel structures, with numbers in front and numbers in the back, will not cause duplication. Moreover, there is the before "university library" in your sentence, which means there are no numbers, so it is a specific library.