EC Library Guide on the Treaty of Paris: EU databases

EUR-Lex
EUR-Lex is your online gateway to EU law. It provides the official and most comprehensive access to EU legal documents dating back to the beginning of the European Union.

See for example

Official Journal (from the first edition in 1952 until today)

Chronological overview of the Treaties
Audiovisual service of the European Commission
The audiovisual material (still images, moving images and sound sequences) made available on the website of the Audiovisual Service of the European Commission is offered free of charge for EU-related information and education purposes.
Multimedia Center of the European Parliament
The Multimedia Centre is the European Parliament’s audio-visual repository provides access to news summaries, live and edited video, infographics, photos or archives.
Historical Archives Service of the European Commission

Search for examples speeches by Jean Monnet
Historical Archives of the European Union (HAEU)
Different fonds relating specifically to the Schuman Plan and to the establishment of the ECSC are available at the HAEU.

The HAEU research guide "The Schuman Plan and the ECSC" provides a general overview of the archival material available to conduct research on Schuman Declaration and ECSC.