When searching, include terms to identify the type of multimedia format (audio, archive, DVD, video, etc.) you need.
Examples:
your topic(s) and video
your topic and archive

• opens new windowBing and opens new window Bing's videos
• opens new windowGoogle and opens new windowGoogle Videos
• opens new windowVimeo-Provides video-sharing
• opens new windowYouTube

• opens new window60 minutes
• opens new windowBBC
• opens new windowDocumentary Educational Resources (der.org)-"DER's mission is to promote thought-provoking documentary film and media for learning about the people and cultures of the world."
• opens new windowHistory Channel
• opens new windowThe Internet Archive - "A non-profit library of millions of free books, movies, software, music, websites, and more."
  - opens new windowOld Time Radio
  - opens new windowRadio Programs
  -opens new windowWWI Era Audio Recordings (with 1940 radio news)
• opens new windowPBS (Public Broadcasting Service) - offers free in-depth documentaries on popular topics
• opens new windowSmithsonain Libraries: Recorded Webcasts and Videos
• opens new windowSprword: Must Watch Documentaries (Spread the Word) - Includes educational documentaries. opens new windowlearn more
• opens new windowVimeo: Documentary Educational Resource
• YouTube