Bat House Journal: Exchange of information for providing alternative bat habitats, and discussion of related topics.
Batnic: Bat houses and their placement including plans, tips, facts and discussion forum.
Buzbee: Collection of bat related URLs, includes house plans and forum.
Cooperative Extension: Factsheet on attracting bats to your yard, by the University of Nebraska.
Reighley: Shows the building, assembly, and installation of a design.
Scotts Bat Houses: Offers free bat house plans; information and links.