I didn't find a link to this information after doing a search on BYC. Best as I can see, Montana State University made it available on the internet a little over a year ago. It looks like it may be of use to folks wanting to make their own feed and seems a very sensible publication, from 1939.
You can download it here:
Feeding Laying Hens, Harriette Eliza Cushman
Steve
You can download it here:
Feeding Laying Hens, Harriette Eliza Cushman
Steve