Steve, welcome to our forum!
In all due modesty, we here are the main reference for Schrades. As of your joining us, we are one member stronger, wiser, better. In time you'll be giving us information, and that info may spring from a question you ask us. Making us learn to find the answer.
Here is the best site showing Schrade photos:
http://www.collectors-of-schrades-r.us/
Also check out the 'Sticky' thread at the top of our forum.
Books:
Older Schrades? (Schrade Cut and Schrade-Walden)? I liike the book by Jim Sargent,
American Premium Guide to Pocket Knives Identification and Values. About 60 pages on those knives.
There is a reprint available of the Schrade Cut catalogs of the late 20's and 30's. It was published by AG Russell in 1971.
For Old Timers and Uncle Henry's, the book by Robert Clemente
A Catalog History of Schrade Knives, available from here:
majormarket@charter.net can't be beat.
Best general knife collecting book:
Levine's
guide to Knives and their Values, 4th edition by Bernard Levine
The book shown below, authored by one of our members, is the last word on Schrade automatics (switchblades)
What did I forget here, other members? I'll modify this list as per new information and repost it in the Sticky.
Phil