共 50 条
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- [26] PUERTO-RICO AND THE UNITED-STATES - 1917-1933 - CLARK,TR HISTORY-REVIEWS OF NEW BOOKS, 1975, 4 (01): : 17 - 17
- [29] UNITED-STATES IN PUERTO-RICO, 1898-1900 - BERBUSSE,EJ AMERICAN HISTORICAL REVIEW, 1967, 72 (04): : 1510 - 1511
- [30] AIRBORN FUNGI FROM 5 STATES IN CONTINENTAL UNITED-STATES AND PUERTO-RICO - COMMENT ANNALS OF ALLERGY, 1975, 34 (02): : 131 - 132