I’m not sure how many people know that Google has an upload function and can search for images on the internet.
It may be old news to most, but I thought it may be helpful to some.
http://www.google.com/imghp?hl=en&tab=ii
I came across it by accident and thought it was worth mentioning.
For those self researching, please check back and post your findings as forum members and staff can add additional information and help that may not be found by other means. There are very knowledgeable people on this forum that one should explore in their quest for information.