Everything you need to search and use the union catalog
Preview the unified OPAC, browse participating libraries by type and region, and find guides for getting the most out of Union Catalog Philippines.
Search across every participating library
This is a preview of the catalog search experience — enter a term to see how it will work once connected to live library records.
Search the Union Catalog
Search by title, author, subject, or ISBN across all partner libraries.
Enter a title, author, or subject to preview a search.
Resources for students, educators, and librarians
Using the Union Catalog
A step-by-step walkthrough of searching, filtering, and requesting materials across partner libraries.
Read the guide →Metadata Contribution Standards
Guidelines for preparing and submitting your library's catalog records for inclusion in the union catalog.
View standards →Classroom & Research Toolkit
Curated collections and citation tips to help teachers and students make the most of shared library resources.
Download toolkit →Philippine Studies Collection
A spotlight collection of Filipiniana materials — literature, history, and culture — drawn from partner archives.
Browse collection →Theses & Dissertations Index
A growing index of undergraduate and graduate research contributed by academic library partners nationwide.
Search index →Developer & Data Access
Documentation for institutions integrating their own systems with the union catalog's shared search index.
View documentation →Participating libraries
A sample of the institutions contributing to the union catalog, spanning academic, public, special, and national collections.
| Library | Type | Region | Status |
|---|---|---|---|
| National Library of the Philippines | National | NCR — Manila | Active |
| University of the Philippines Diliman University Library | Academic | NCR — Quezon City | Active |
| Ateneo de Manila University Rizal Library | Academic | NCR — Quezon City | Active |
| University of Santo Tomas Miguel de Benavides Library | Academic | NCR — Manila | Active |
| Cebu City Public Library | Public | Region VII — Cebu | Active |
| University of San Carlos Learning Resource Center | Academic | Region VII — Cebu | Onboarding |
| Mindanao State University Library | Academic | Region X — Marawi | Onboarding |
| Supreme Court of the Philippines Library | Special | NCR — Manila | Active |
| Baguio City Public Library | Public | CAR — Baguio | Onboarding |
Is your library not listed yet? Get in touch about joining the network.
Frequently asked questions
It's a curated, unified OPAC that combines the catalogs of participating Philippine libraries — academic, public, special, and national — into a single searchable index for education and research.
The catalog helps you discover which library holds a title and how to access it. Borrowing and lending policies remain with each individual library.
Reach out through our Contact page. Our team will walk you through metadata standards and the onboarding process for contributing your catalog.
Yes. The unified OPAC is built to support Philippine education and is free for students, educators, researchers, and the general public to use.
We're onboarding libraries region by region, starting with major academic and public libraries in NCR, Luzon, Visayas, and Mindanao, with nationwide coverage as our goal.