I just scanned through Rise Up Singing and found in the first 70 pages:

This Land is Your Land
Thyme ("Thyme, it is a precious thing...")
Guantanamera
Mama Don't Allow
Waltz Across Texas
Come Take a Trip in My Airship
Moonshadow
Over The Rainbow
Scarborough Fair
Big Yellow Taxi
Lonesome Valley
Simple Gifts
Buffalo Gals
Garden Song ("Inch by Inch")
Home on the Range
Pick a Bale of Cotton
Red River Valley
So Long, It's Been Good to Know You
Someday Soon
Times Are Getting Hard
Ain't Gonna Let Nobody Turn Me Around
Ain't You Got a Right
Follow the Drinking Gourd
I'm On My Way
Keep Your Eyes on the Prize
Oh Freedom
Oh Mary Don't You Weep
Rivers of Babylon
This Little Light
Wade in the Water
All the Good People
Lean on Me
Moon River
Rambling Boy
Pack Up Your Sorrows
With a Little Help from My Friends
You've Got a Friend
The Cat Came Back

Someone else might pick out other favourite songs from those pages, and there's another 190 pages after where I stopped. I'd be happy to keep going... :-)