This category references guides or directories of most any type and Web-based information centers. Basically, this is the "catch-all" category.
Information directories are often available on CD-ROM with search capability.
Information directories that are specific to another EnviroSource category are referenced in the other category. This provides more specificity when browsing, i.e. references here do not fit better into other categories.
Listings referenced in the EnviroSource category Databases are similar to those referenced in this category.