网站简介：Picture and information about bullwhips and sonic booms, presented by Nova Online.
网站简介：Fanzine discusses the whips used in the television show, but focuses more on how to choose a whip, crack a whip, and tend to a whip. Offers related links.
网站简介：Information on how to join with books about leather and tips on how to make your own whips.
网站简介：Features a description of whip history, types, construction and a reference publication.
网站简介：Presents general information on whips, their history and the explanation of what makes the cracking sound.(including photos). Also gives some useful hints and tips for whip collectors.