The New England Protective Union, established in 1849, was a cooperative movement which provided city markets
for rural produce in exchange for goods to stock local stores. How many divisions in Massachusetts ? The movement gradually lost momentum during the 1850's and disappeared by the
end of the Civil War. Edwin C. Rozwenc's Cooperatives Come to America, The History of the Protective Union
Store Movement, and 1845-1867 (Mount Vernon, Iowa, 1941).

See if any records referr to business conducted with John G. Kaulback of Boston.