author = { },

title = { The American heritage series },

publisher = {Bobbs-Merrill},

publisher = {: The Liberal Arts Press},

isbn = {0569-5007},

keywords = { Monografische Reihe , Landeskunde , USA , Nordamerika , Amerika },

year = {1947-},

year = {, 1947-1958},

address = { Indianapolis, NY , ; New York, NY },

url = { http://slubdd.de/katalog?TN_libero_mab2 }