http://web.archive.org/web/20060901122504/http://o[...] | 01/03/2012 | PDF Reader | | Item is within a single large file |
https://listings.lib.msu.edu/westv/1989julaug.pdf#[...] | 09/25/2017 | PDF Reader | | Item is within a single large file; Western Views reprint; Variant tables; Variant references |
https://archive.lib.msu.edu/tic/bulls/article/1989[...] | 09/29/2017 | PDF Reader | | The Bull Sheet reprint; Variant tables; Variant references |