Peter, Paul and Mary
If I Had a Hammer (The Hammer Song)



Best of All-time Lists, Best of Decade Lists, etc.
1,001 Songs You Must Hear Before You Die, and 10,001 You Must Download (2010) 1002
Rock and Roll Hall of Fame (USA) - 500 Songs That Shaped Rock (1994?) No Order
Steve Sullivan (USA) - Encyclopedia of Great Popular Song Recordings (2013) 101-200
Guardian (UK) - A history of modern music (2011) No Order
Giannis Petridis (Greece) - 2004 of the Best Songs of the Century (2003) No Order