- Open Access Digital Theological Library
- JSTOR Digital Library
- University of Philippines Library
- Asia-Pacific Nazarene Theological Seminary
- Global Digital Theological Library
- https://atslib.com/webopac/
- PERPUSTAKAAN UNIVERSITAS KRISTEN DUTA WACANA
- Donald Robinson Library
- https://library.pbts.net.ph/
- GPTS Smith-Singer Library
- Globethics.net Library
- Christian Classics Ethereal Library
- World Digital Library
- Trinity Theological College Resources
