input: [Library Catalog] Resources in libraries around the world. Most resources that are owned by Cornell University Library, including many online resources to which the Library provides access. A majority of the resources available from our Borrow Direct partner libraries. In the Advanced Search mode, you can limit your search by language. You can also limit your search to a specific library within the Cornell system, and access course reserves. [Classic Catalog] Items held physically by Cornell University Library or electronic resources to which the Library subscribes. Compared to Library Catalog, this system has all Cornell subscribed ebooks, journal titles, recent issues of print journals, and books on order or in the process of being added to the collection. You can also limit your search to a specific library within the Cornell system, access course reserves, and search by local fields such as donor and collection names. [0] 
output: What does this system search?