Encyclopedias and dictionaries can be a great place to start your research because they can help you to find relevant terms and general information on a topic. They often include a bibliography of additional sources, which are useful in creating an initial base of bibliographic references.
You can find reference resources in the reading rooms, including encyclopedias and dictionaries. Resources related to Globalization and International Studies are collected in the QRC 300 section (social science).
Here are some titles to start:
Treccani atlante geopolitico 2019 by 
A New a-Z of International Relations Theory by 
The Palgrave Macmillan Dictionary of Diplomacy by 
Atlante storico delle relazioni internazionali. Dall’egemonia mondiale europea agli attuali equilibri internazionali by 
Dizionario di storia e geopolitica del 20. secolo by Or check out digital resources, including:
The SAGE Handbook of Research Methods in Political Science and International Relations by 
The Oxford Handbook of Global Policy and Transnational Administration by 
