The Signal is a collaborative blog between the Digital Strategy Directorate and the Digital Content Management Section at the Library of Congress. Initially created in 2011 to share about digital preservation efforts, the blog has traced the evolution of digital practices at the Library over the course of a decade.

The work of LC Labs is to support digital transformation at the Library of Congress, guided by the Library's Digital Strategy.

• LC Labs Experiments - emerging technologies and digital methods to enhance the impact of the Library's digital collections.
• LC Labs Opportunities - various ways to work with the Library of Congress, including internships and the "Innovator in Residence" program.

Recommended Formats Statement identifies hierarchies of the physical and technical characteristics of creative formats, both analog and digital, which will best meet the needs of all concerned, maximizing the chances for survival and continued accessibility of creative content well into the future.

The Preservation Directorate of the Library of Congress ensures long-term access to the Library's collections through diverse preservation activities, including collections care, conservation, emergency management, library binding, mass deacidification, preservation reformatting, preservation research and science. The Library also promotes preservation education, awareness, and good practice beyond the Library by offering preservation resources, FAQ, events, and other outreach programs.

This site provides information about digital content formats, including analyses and resources, It was compiled by Caroline R. Arms, Carl Fleischhauer, and Kate Murray.

• Music Encoding Initiative (MEI) Format Family
• MusicXML File Format Family
• PDF/A Format Family

The coalition exists to secure our digital legacy through advocacy, community engagement, workforce development, capacity-building, good practice and good governance.

Specifies how to use the Portable Document Format (PDF) 1.4 for long-term preservation of electronic documents. It is applicable to documents containing combinations of character, raster and vector data.

A community-driven, open-source effort to define a system for encoding musical documents in a machine-readable structure.

The standard open format for exchanging digital sheet music

The Levels of Digital Preservation (LoP) is a resource for digital preservation practitioners when building or evaluating their digital preservation program. Originally created in 2013, Version 2.0 was released in 2019 along with additional supporting documentation and resources.

The PDF Association (PDF/A) promotes Open Standards-based electronic document implementations using PDF technology through education, expertise and shared experience for stakeholders worldwide.

Contains more than 2,000 defined entries based primarily on archival literature in the United States and Canada.

A consortium which collectively develops and maintains a standard for the representation of texts in digital form.