This is a collection of over 200 different search engines in a variety of different subject areas – crucial search engines that you must know about, meta, multi, directory search engines, search engines that you can use to find out about social media material, video, sound, images and so on. …
Die Suchmaschinenaufstellung unter http://www.philb.com/searchenginespearl.htm
via http://stephenslighthouse.com/2013/11/08/phil-bradleys-200-search-engines/