Dead Originals (so far)-
Casey Jones
Friend of the Devil
Dire Wolf
Operator
Uncle John’s Band
Truckin’
Ripple
Must Have Been the Roses  
Mister Charlie
Deal

The Grateful Dead's Covers by Key-
A-
I Know You Rider Sippy Wallace
Cold Rain and Snow – Traditional
Rollin’ and Tumblin’ - Kokomo Arnold
Little Red Rooster –Howlin’ Wolf
That Same Thing – Willie Dixon
Me and My Bobbie McGhee- Kris Kristofferson
New Minglewood Blues – Gus Cannon's Jug Stompers
Good Mornin’ Little Schoolgirl – John Lee Williamson
Mama Tied - Merle Haggard
I Been All Round This World - Rufus Crisp
Viola Lee Blues - Gus Cannon’s Jug Stompers
You Win Again - Hank Williams
Kansas City - Lieber & Stoller

C-
Whinin' Boy-Jelly Roll Morton
Rosalie McFall –Monroe Brothers
Hesitation Blues – Rev. Gary Davis
Babe, It Ain’t no Lie -Elizabeth Cotton

See also:
Woodstock 69 Remembered
Glenn Weiser's Home Page
Grateful Dead Links

D-
Peggy-O -Traditional
Big Railroad Blues - Gus Cannon's Jug Stompers
Spoonful -Howlin' Wolf
Sittin' On Top Of The World -Mississippi Sheiks
Death Don't Have No Mercy - Rev. Gary Davis
It Takes a Lot to Laugh, It Takes a Train to Cry - Bob Dylan 
How Long Blues - Leroy Carr and Scrapper Blackwell
Little Sadie-Doc Watson (Key of Dm)
Going Down The Road Feeling Bad –Woody Guthrie

E-
It Hurts Me Too - Elmore James
Katie Mae - Lightnin' Hopkins
C. C. Rider - Ma Rainey
King Bee - Slim Harpo
Baby What You Want Me To Do-Jimmy Reed
Stealin' - Memphis Jug Band
Big Boss Man - Jimmy Reed
Next Time You See Me-Junior Parker
Big River-Johnny Cash

G-
Walking Blues - Robert Johnson
Deep Elem Blues - Blind Lemon Jefferson
Beat It On Down The Line - Jesse Fuller
Monkey and the Engineer - Jesse Fuller
Dark Hollow - Bill Browning
Morning Dew -Bonnie Dobson

Dancing Bear Originals & Non-Dead 60's Classics-
The Peyote Yodel (G. Weiser)
Buddha Mood (G. Weiser)
Clone Blues (G. Weiser)
Can't Find My Way Home-Blind Faith
Acapulco Gold