URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
https://gsr.lib.msu.edu/article/oatis-know-4-4-14.pdf04/03/2014PDF Reader
https://issuu.com/tgmdigital/docs/tgm_116/807/13/2017Adobe FlashItem is within a single large file; TGM: Latinoamérica Spanish reprint
https://archive.lib.msu.edu/tic/cespe/article/2016[...]10/13/2016PDF ReaderGreenkeepers Spanish reprint