Mostly advanced and higher level academic resources
Historical and contemporary videos - archive footage, sports, cultural and classic cartoons
Main page of Internet Archive
1,000,000s of free ebooks to download
Millions of interviews, musical recordings, audio books and poetry recitals.
Internet Archive is one of the wonders of the Internet - publishing millions of audio recordings, photographs and books in the public domain.
A great resource for historic texts and images when creating teaching resources without Copyright concerns.
Open Library has many thousands of classic children's books available for free download.