Identify a Font. Font and Typeface Identification Tools
http://ilovetypography.com/2007/08/19/identify-that-font/

I Love Typography
2008

Abstract:

Ever seen a typeface (font) you like but couldn’t identify it? I once knew an Art Director who seemed to be able to identify just about any typeface I showed him. However, in recent years, even he responds with, I don’t have a clue.So where to turn? Well, rather than publishing my Art Director friend’s email address here, I’ll introduce a few resources to get you started. Although none of the following resources is infallible, they will definitely give you a head start.