Yahoo group for the discussion of Bolens tractors, attachments and related equipment.

A Group dedicated to catologuing historical sites, graveyards, abandoned, derelict, and forgotten buildings and structures in North Carolina for the purpose of exploring, visually recording, and appreciating the art of decay.…

Discussion group for US letterboxers.

Discussion group for the northeastern US.

Discussion group to share hiking stories and learn more about the trail's history and geographical features [requires Yahoo! registration].

Action figure collector group offers message forum for enthusiasts who open the toy action figure packages.

Group offers message forum for collectors of female action figures.

Yahoo Group for yo-yo collectors and trading post.

Collectors group focusing on plastic figures from the 1950s onward, with special emphasis on playsets produced by the Louis Marx company.

A yahoo group to talk about saturns

Discussion group for owners, and enthusiasts.

Discussion group with message board, photo gallery, and links to members' sites.

News group dedicated to the Bricklin SV-1 1974 thru 1976.

Mailing list intended to supplement the exhisting Yahoo Locost group in what concerns the particularities of Portuguese regulations.

Unmoderated discussion group for aircraft spotters in or visiting So. California. Requires free Yahoo account to post. Includes messages, live chat, files, photos, a calendar and links.…

Group discussions on using the XFOIL airfoil design code.

A resource group for radio equipment users, owners and collectors.

Yahoo-based discussion group features chat, message boards, photos and links.

Yahoo-based 11-Meter DX group offers chat, message boards, photos and links.

Yahoo-based group devoted to the free and open exchange of information and tips for legal monitoring of Midland and Odessa, Texas public safety communications.