W8WWV - Hex Array - 80/40 Meter Vertical. Great article on the verticle itself used in Greg's hex array article. Also see:
http://www.seed-solutions.com/gregordy/Amateur Radio/Experimentation/HexArray/8040Vert.htm

W8WWV - The 80 Meter Inverted Vee. Thorough discussion of the common inverted V.

W8WWV - The Challenge: Receiving Antennas for ham radio low bands.

ZZ Wave Net is a dual band (40m & 80m) inverted-v like loop