164 Cloverleaf and Q4 Register

Includes technical data, classified ads and photo gallery.
http://greybeard.7host.com/164_home.html

Alfa 75 Register

Featuring Alfa75/Milano with history, models, Alfa75Racing, and an Alfa75/Milano Register.
http://www.alfa75.info/

Alfa Romeo 155 Register

Includes technical data, articles, downloads and a forum.
http://alfa155.com/155/

Alfa Romeo CarCommunity.net

Registry for owners and enthusiasts.
http://www.carcommunity.net/index.php?cc_op=community&cc_id=19

AROC UK - Giulia 105 Register

Caters to the Giulia 105 and 115 Series of Alfa Romeo motor cars. Includes the Giulia saloon, Bertone coupe, Spider and Duetto models.
http://www.aroc-uk.com/105register/index.htm

Berlina Register

Registry for the 1750 and 2000 series Berlina. Features technical data, classified ads and a newsletter.
http://www.berlinaregister.com/

The Electronic GTV Register

Listings of 105/115 GT/GTV/GTJr models.
http://www.geocities.com/MotorCity/1806/register.html

The International SZ and RZ Register

International listings since 1999.
http://home.wxs.nl/~evdbeek/monster.html

Niklas 33 Register

Online since 1997. Contains discussion list and newsletter.
http://www.33.alfaromeo.org/

Osso di Seppia - Alfa Romeo Duetto Registry

Online headquarters for the Roundtail Registry. Contains resources to help owners restore, maintain and enjoy these classic Italian sports cars.
http://web.telia.com/~u40100700/frames1.htm

UK Alfa Romeo Giulietta Register

Dedicated to the preservation and appreciation of these cars and their derivative 101-series Giulia models from the period 1954 to 1965. "Registers" search on:
http://www.giulietta.com/