320.4 <a id="rdfa" resource="" property="dc:creator" href="http://viaf.org/viaf/11873473" target="_new">Beard, Charles Austin , 1874</a> The economic basis of politics. New York , Alfred A . Knopf , 1934. 99 p. 19 p . 19 cm <a id= "rdfa" about="http://bnjm.sld.cu/cgi-bin/item.py?idficha=bcuhcgrlyfof0100034" property = "oa:link" href="http://www.worldcat.org/oclc/493770505">WorldCat</a>