listing is the best way . I've had to write to quite a few artists to find out what things they were using. Sometimes I feel weird though, especially if I like what is used in the marketing images more than the actual product they are selling :)

Humankind has not woven the web of life. We are but one thread within it.
Whatever we do to the web, we do to ourselves. All things are bound together.
All things connect......Chief Seattle, 1854