Cormanthyr - Empire of the Elves Free TSR 2nd edition AD&D campaign expansion (detailing the past era of the Arcane Age & rules for time travel) - TSR 1165 (6.04mb ZIP of PDF). http://www.wizards.com/dnd/files/2/fr_downloads/tsr1165.zip
How the Mighty Are Fallen Free TSR 2nd edition AD&D adventure for the Arcane Age campaign setting (set in Netheril's spelljamming port city of Yeoman's Loft during the past era of the Arcane Age) - TSR 9541 (3.26mb ZIP of PDF). http://wizards.com/dnd/files/2/fr_downloads/tsr9541.zip
Netheril - Empire of Magic Free TSR 2nd edition AD&D boxed set expansion - The Winds of Netheril (sourcebook), Encyclopedia Arcana (spell sourcebook) & maps - TSR 1147 (8.65mb ZIP of PDF) http://www.wizards.com/dnd/files/2/fr_downloads/tsr1147.zip