Bread has been the staff of life for thousands of years.  The colonists in North America brought with them their knowledge of making bread from Europe and adapted their skills to the ingredients and manners of living in the new world. 
Essential Ingredients for a Loaf of Bread
Documentation on the basics of bread in the 18th century.
  Recommended Books

Elizabeth David, English Bread and Yeast Cookery.
New York: The Viking Press, 1980..

Joe Oritz,  The Village Baker.
Berkeley: Ten Speed Press, 1993.
Table of Contents
Fortress Bread
Thoughts on the Louisbourg bread recipe and an 18th century method
Pumpkin Bread
Using a native American plant with corn and wheat.
 
English Sea Biscuit
Research and Recipe for period ships bread