Benten's Place

Reference Sites

Rumic World - This is THE English-language reference site for information on all of Rumiko Takahashi's works.

Ranma 1/2 Galleries - Galleries Containing Significant Ranma 1/2 Materials

Aernath's Heartthrobs - Very nice gallery with a Ranma-specific focus on Ranma himself.
Cordelia's Cel Cove - Very cute gallery containing some interesting Ranma cels
Diana's (& Chris's) - A very nice cel collection and much helpful information on identifying the episodes that cels are from. Unfortunately, it hasn't been updated in a while.
Maiken2051 Anime Cel gallery - Good variety of Ranma cels
Ryan's Gallery - Beautiful gallery filled with lots of Ranma cels.

Birdy the Mighty - Galleries having one or more cels from Birdy the Mighty

Yann's Cels Gallery - Birdy the Mighty section of Yann Stettler's (Animanga) personal gallery. His personal gallery includes only cels of Birdy herself.
Maiken2051 Anime cel gallery - Variety of cels (sixteen actually) from the OVAs
To Protect to the End - Cels of Birdy herself
Lamont's Cel Gallery - Cels of Birdy and one of Tsutomu under "Tetsuwan Baadeii"
Shadowlight - 3 Birdy cels and 1 of Tsutomu
Terence's Cel Gallery - One cel of Natsumi under Miscellaneous Page 1
Chris' Cel Site - Cel of Birdy and an animated gif of Tsutomu
Skorp Cel Gallery - Two cels of Birdy
Past Time Cels - One Cel of Birdy
Tekaneda's@anime! Cels - One Cel of Birdy

Vendors - Places / People selling anime / manga collectibles

Nichibei Anime Club - Cel vendor. Good folks. Have purchased many wonderful cels from David & Miyoko.
Mangasearch - This is the source for shitajiki (pencil boards) for those who collect more than just cels.