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Burl himself did not consider himself quite either. See article:
http://news.google.com/newspapers?nid=1955&dat=19950417&id=rFoxAAAAIBAJ&sjid=oaIFAAAAIBAJ&pg=3613,1692174
Hope this helps,
Lisa A. DeBarr (Burl Ives enthusiast)
Burl Barer's birth name is Burl Roger Barer.
Aubrey Burl was born in 1926.
Burl Ives is 6' 1".
Burl Ives was straight.