A Sign Systems Manual by Theo Crosby, Alan Fletcher, and Colin Forbes, as posted by Joe Kral to Flickr.
If you’re curious, there’s a set of photos from inside the book on Flickr, and a few on Amazon (although you’ll do well to find the book).
Paul Mison's random stuff that doesn't go elsewhere. Is it microblogging, or microactivity?
(Previously known as 'tumblr is my sock drawer', for reasons that are somewhat unclear.)