1501. BASKETBALL STARS AND RECORDS

1502. MASSACHUSETTS POLITICAL FIGURES

1503. RECENT MAJOR ACCIDENTS AND DISASTERS

1504. APPLE TECHNOLOGY 

1505. CLIMATE CHANGE

1506. BIG BOX OFFICE MOVIES

1507. FRENCH TOURISM

1508. ORGANIZED CRIME

1509. COLD WAR

1510. MAJOR TERRORISM ACTS 21st CENTURY

1511. LATIN MUSIC

1512. GREAT MODERNIST ARTISTS

1513. WASHINGTON DC AIRPORTS

1514 SUPERBOWL

1515 PRESIDENT OBAMA

1516 HARVARD UNIVERSITY

1517 DATASTRUCTURES

1518 WORLD WAR 2

1519 CATHOLIC CHURH

1520	MICROPROCESSOR

1521 AMERICAN INDEPENDENCE WAR  

1522 VIKINGS

1523 NUCLEAR POWER

1524 STATISTICAL TESTS

1525 IMMIGRATION TO UNITED STATES