Sounds:
- http://savethesounds.info/
- http://mentalfloss.com/article/29230/11-sounds-your-kids-have-probably-never-heard
- http://www.wired.co.uk/news/archive/2012-05/30/museum-of-endangered-sounds
- http://www.scpr.org/programs/airtalk/2012/06/05/26807/endangered-obsolete-sounds-museum-chilcott/
- http://www.loc.gov/rr/record/nrpb/pub148.pdf
Broadcast Example: http://hereandnow.wbur.org/2014/04/24/discovering-lost-sounds