Professional Football Researchers Association Forum

This may already be common knowledge, but access to scanned Lions' media guides back to 1971 are available online:

http://media.detroitlions.com/Media+Guides/

In addition, Seahawks guides back to the 1976 beginning are also available in the same fashion, although the particular year has to be changed on the link to reach it:

http://seahawksmedia.com/MediaGuideArchives/1976MG2.pdf

Wow this is great! Thanks for sharing. I hope more teams start to do this.