Digital Library

IFLA/UNESCO Digital Library ManifestoIFLA Working Group on Guidelines for Digital Libraries

Bayerische Staatsbibliothek, Bayerische Staatsbibliothek

Digital Public Library of America (DPLA), 

Europeana, Europeana

Gallica, France National Digital Library

Google Books, Google

International Children's Digital Library, International Children's Digital Library

Internet Archive Text Archive, Internet Archive Text

OAPEN, (Open Access Publishing in European Networks)

Project Gutenberg, Project Gutenberg

World Digital Library, UNESCO & Library of Congress project

Digital preservation: bit preservation and physical storage of the data

Sources of guidance on the handling and storage of storage media:

Digital Preservation Note 3: Care, handling and storage of removable media, guidance issued by The National Archives (UK)

Caring for CDs and DVDs, guidance issued by the British Library (under FAQs)

Obsolescence of digital material is explained by the National Archives of Australia.

Digital Preservation Guidance Note 2: Selecting Storage Media for Long Term Preservation, guidance issued by The National Archives (UK)

Henriksen, S. L., W. Seuskens and G Wijers, Best practices for a digital storage infrastructure for the long term preservation of digital files, one of the public deliverables from the EU funded Digitising Contemporary Art project.

USGS Guidelines for the Preservation of Digital Scientific Data April 2014

NDSA Levels of Digital Preservation

Technology Watch Reports by Digital Preservation Coalition (DPC)

OCLC Research's You've Got to Walk Before you Can Run: First Steps for Managing Born-Digital Content Received on Physical Media (Erway Ricky, 2012)

OA: Policy Guidelines by Alma Swan

You can download it here.