"Oxford Cambridge University Library Biblioteca Vaticana" is quite a mouthful, and it's no surprise that this title can be shortened or replaced with synonyms. For example, "Oxford Cambridge University Library" can be simply referred to as "Oxbridge Library" or "Oxford-Cambridge Collection." Similarly, "Biblioteca Vaticana" can be shortened to "Vatican Library." Additionally, the term "university library" can be substituted with "academic library" or "college library." Overall, there are various ways to refer to these prestigious institutions that house some of the world's most valuable collections of information and knowledge.