TY - BOOK AU - Mixer,Knowlton TI - Porto Rico: history and conditions social, economic and political AV - F1958 .M67 PY - 1926/// CY - New York PB - The Macmillan Company KW - Puerto Rico KW - Local N1 - "A list of publications consulted": p. ix-xii; Includes bibliographical references (p.317-322) and index ER -