Chandrila on Warseer (famed for his superb scratchbuilt Eldar superheavy transport) has put up a fantastic reference for Eldar players or anyone interested in Eldar. A comprehensive list of all the Eldar runes and symbols that have appeared in GW publications over the years.
[URL="http://eldar.arhicks.co.uk/miscellaneous/eldar_runes.php"]
Eldar Runes & Symbols[/URL]