At 12:06 by H2O
http://www.identifont.com/


They say: "Identifont, the unique font identifier that enables you to identify a font from a sample by answering a series of simple questions. It is ideal if you want to match an existing typeface, or identify a typeface you have seen in a publication.

At 15:29 by ju m
Alan Wood’s Unicode Resources: Unicode and Multilingual Support in HTML, Fonts, Web Browsers and Other Applications