The Scaife Viewer is a reading environment for pre-modern text collections in both their original languages and in translation. It is the first phase of work towards the next version of the Perseus Digital Library, Perseus 5.0.

This project is part of the Open Greek and Latin Project, an international collaborative consortium of librarians and researchers, that includes the Center for Hellenic Studies of Harvard, the Harvard Library, the Library of the University of Virginia, Mount Allison University, the Perseus Digital Library at Tufts, and the Open Philology Project at the University of Leipzig. 

HeinOnline is a premier online research platform that provides more than 215 million pages of multidisciplinary periodicals, essential government documents, international resources, case law, and much more.
The HeinOnline Academic Core (International) package includes an entire digital library containing more than 3,200 law and law-related journals published in more than 60 different countries, alongside thousands of Australian, Canadian, and European legal materials, essential foreign legal yearbooks, and a wealth of international government publications.
Subject coverage includes:

• Constitutional Law
• Laws of the Sea
• Human Rights
• Women's Studies
• Criminal Law
• International Trade
• Education

All documents within HeinOnline are exact replicas of the original print publications, provided in a fully searchable, image-based format. The database incorporates content from trusted publishers such as Brill Nijhoff, Oxford University Press, Cambridge University Press, Sage, and more.
The platform provides unique search tools, utilizing artificial intelligence and visual aids, to make research a breeze. And for additional assistance, subscribers can visit HeinOnline’s collection of help pages and libguides.

More info and detailed list of the databases included in the package, here.