The link posted for "Art History on Stamps" is no longer valid, outside web.archive.org.Ms Heindorff passed away in April, 2009 and, as far as I can find, the pages have not been transitioned anywhere on the net. Abusive comment hidden. (Show it anyway.)
Ms Heindorff passed away in April, 2009 and, as far as I can find, the pages have not been transitioned anywhere on the net.