There are the material from ICE which I own and use
to play MERP:
MERP 2nd Edition HardBound  2000
Merp 2nd Edition Accessory  2002
Middle Earth Campaign Guide 2003
Arnor, Realm                2005
Palantir Quest              2009
Kin-Strife                  2015
Lake-Town                   2016
The Shire                   2017
Southern Gondor Land        2020
Southern Gondro People      2021
The Northern Waste          2025
Hands of the Healer         2026
ME Guidebook II             2210 
Umbar, Haven of the Corsai  2400 
The Court of Ardor          2500
Isengard and Northen Gondor 2800
Moria                       2900
Rangers of the North        3000
Riders of Rohan             3100
Mount Gundabad              3110
Greater Harad               3111
Gorgoroth                   3112
The Grey Mountains          3113
Lorien                      3200
Heavens of Gondor           3300
Sea-Lords of Gondor         3400
Ents of Fangorn             3500
Dunland                     3600
Cardolan                    3700
Far Harad                   3800
Shadow in the South         3900
NorthWestern ME Map Set     4001
NorthWestern ME Gazeteer    4002
Mirwood (Rhovanion)         4010
Empire of the Witch-King    4020
Creatures of ME             8005
Angus McBride Char.'s of ME 8007
Bree                        8010
Entwash                     8011
Warlods of the desert       8012
Dark Mage of Rhudaur        8013
Rogues of the Borderlands   8014
Ghost Warriors              8016
Dagorland                   8020
Shelob's Lair               8030
Hillmen of the Trollshaws   8040
Thieves of Tharbad          8050
Paths of the Dead           8060
Goblin-Gate                 8070
Rivendell                   8080
Brigands of Mirkwood        8090
MERP boxed set              8100
Haunted Ruins               8101
Phantom of the N. Marshes   8102
Trolls of the Misty Mnt.    8103
Pirates of Pelargir         8104
Gates of Mordor             8105
Assassins of Dol Amroth     8106
Woses of the black Wood     8107
Raiders of Cardolan         8108
Perils on the Sea of Rhun   8110
Denizens of the Dark Wood   8111
Hazards of the Harad Wood   8112
The Necromancer's Liutenant 8113
River Running               8114
Weathertop                  8201
Teeth of Mordor             8202
Calenhad                    8203
Halls of the Elven-King     8204
Nazgul's Citadel            8205
Minas Tirith                8301
Minas Ithil                 8302