In Custodia Legis is a blog published by the Library of Congress that focuses on legal research and developments across multiple jurisdictions, including U.S., foreign, and international law. It features interviews with foreign law interns and specialists who provide insights into comparative law, legislative updates, and legal frameworks from various countries, especially German-speaking nations, the European Union, and Asian jurisdictions. The blog also covers historical and contemporary legal topics such as water rights, environmental law, and regulatory measures like bird-friendly building laws. It draws on the extensive collections and expertise of the Law Library of Congress to inform Congress, legal professionals, and the public about global legal issues and research.