The Dragon 30

Dragon issue 30 was released in October of 1979. It contained the following articles related to the Forgotten Realms:

Leomund's Tiny Hut: Good Evening - Are You Wild About Vampires?

 * By Lenard Lakofka. p. 7–9

Here's Something to Sink Your Teeth Into; a complete guide to vampires in Dungeons & Dragons.

Dragon's Bestiary

 * By Ed Greenwood. p. 43

All about the Curst for Advanced Dungeons & Dragons. Ed Greenwood's first Dragon article.