This article is from the Scouting FAQ, by Bill Nelson email@example.com, Soaring Golden Eagle firstname.lastname@example.org and Alan Houser email@example.com with numerous contributions by others.
Scouting Songs can be located at a number of places:
Hollandse Scout song book
Songs from Mac Scouter
Digital tradition folksongs
Eagle Songs, Poems, Charges & More
The Flying pigs song book
Broad Mountain District Roundtable Song Sheet
Chsscout.net has a lot of campfire songs on it.