Weeds as Feed Bibliography

 
Tatum, Billy Joe, Wild Foods Field Guide and Cookbook, Workman Publishing Company, NY, 1976. ISBN# 0-911104-77-1

Petersen, Lee Allen, Edible Wild Plants Petersen's Field Guide for Eastern/Central North America, Houghton Mifflin, New York, 1977. ISBN#  0-395-92622-X

Harris, Ben Charles, Eat the Weeds, Barre Publishers, MA, 1969.

Newcomb, Lawrence, Newcomb's Wildflower Guide, Little, Brown and Company, Boston, 1977. 

You can find all of these and more at the Boston Public Library - we checked to make sure. You can also buy them from used booksellers.