321.4 A Armstrong, Hamilton Fish, 1893 - "We or they" ; two worlds in conflict. New York, The Macmilllan company, 1936. 106 p. 19 cm <a id= "rdfa" about="http://bnjm.sld.cu/cgi-bin/item.py?idficha=bcuhcgrlyfof0060152" property = "oa:link" href="http://www.worldcat.org/oclc/19557024 ">WorldCat</a>