URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://archive.lib.msu.edu/tic/monos/golfgreens190[...]09/23/2010 PDF Reader
http://babel.hathitrust.org/cgi/pt?id=uc1.$b4082708/09/2012
http://archive.org/stream/golfgreensgreenk00hutcri[...]08/09/2012