Can you send me info on San Francisco?

I'm trying to write a lesson about San Francisco, and would love to have a little more information...maybe some demographics, a little history, a couple of black and white photos or drawings that I can print out? Some of your memories and a fact or two you think is important? Specific information, please no big links. I know those sites are out there, but they take a lot of time to go through, and I never have enough time online.

Thanks!

Also, computer update: I am now sidetracked by hearing that there's a Habitat for Humanity project this summer in Warsaw. Hmm.