http://www.clements.umich.edu/Exhibits/akinhead.htm The World in your Mailbox: Real Photo Postcards from the Early 2th Century -- Lecture by vintage photo collector Doug Aikenhead, February 28, 2009, 1:30 pm This ought to be quite interesting. Brought to you by the Michigan Photographic Historical Society and the Clements Library. Free. Refreshments. Talk to other photo people. I hope to see you there.