URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://archive.lib.msu.edu/tic/mitgc/article/19891[...]02/27/2009 PDF Reader
https://listings.lib.msu.edu/patch/1989sepoct.pdf#[...]09/26/2017PDF ReaderItem is within a single large file; A Patch of Green reprint