Copy of National Geographic from 1920 on Amazon. Has an article on Falconry. Just got my copy couple days ago.

http://www.amazon.com/FALCONRY-NATIO...aphic+Falconry

You can read an online version at http://www.biodiversitylibrary.org/i...age/1/mode/1up

I'd love to see that magazine go to another falconer rather than a magazine collector! :-D