(Descriptions
are not exhaustive,
I only
mention what seems to me most interesting or specific)
I.N.D.U.C.K.S
(http://home.wxs.nl/~fluks4/bolderbast/index.html)
Worldwide indexes of Duck stories
The
COA Disney Comics Database
(http://www2.ec-lille.fr/willot/coa/index.uk.php)
Worldwide index of Duck stories