Led Zeppelin has a Set Lists page at http://www.classic-rock-concerts.com/bands/led_zeppelin
A rather complete list of bootlegs is found @ http://www.asahi-net.or.jp/~qr6y-ykt/index.html
Commonly 'misspelled' song titles:
Trampled Under Foot 1, 2, 3, 4.
Bron-Yr-Aur Stomp 1, 2 (misspelled on album as "Bron-Y-Aur Stomp" but is named after the place "Bron-Yr-Aur" and was later corrected on How the West Was Won).