States in the U.S. That Received the Most Immigrants in 2001 A chart listing which of the U.S. states received the most immigrants in 2001.		U.S. Census Statistics from 1790-2010 Census data for the United States.
Immigrant Population Locations in the U.S., 1997 A chart listing U.S. metropolitan areas that received the largest numbers of immigrants in...		State Abbreviations and Postal Codes Zip codes and abbreviations of the United States.
Ancestry of U.S. Population by Rank, 2001 A chart listing the self-reported ancestry of U.S. residents, according to the 2000 census.		Population of the United States, From 1980 to 2010 A chart listing the population of the United States from 1980 to 2010. This reference can be of...
Length of the U.S. Coastline by State A chart listing the length of the U.S. coastline by state.		Population of the United States by State, 2000-2009 A chart listing the population of the United States by state, from 2000 to 2009. This chart...
Rivers of the United States A list of rivers, 350 miles or longer, in the United States.		Residency Requirements for Voting in the U.S. A chart listing residency requirements for voting in U.S. federal, state, and local elections.
Highest Mountain Peaks in the United States A chart listing the highest mountain peaks in the United States.		Governors of the Fifty States A chart listing each governor in the United States.
North American Continental Divide A brief explanation of the North American continental divide.		Presidential Conventions A brief history of presidential conventions, an important – and symbolic – part of the...
World Heritage Sites in the United States A list of World Heritage sites in the United States.		Types of Ballots Reference an article that explains the different types of ballots that are used in elections in...
Mason and Dixon's Line An article explaining Mason and Dixon's Line.		U.S.-Cuba Relations Use this reference when teaching United States-Cuban relations.
Coretta Scott King Award Winners A list of Coretta Scott King Award winners; the award is given by the American Library...		The U.S. Census Distribute an article that discusses the first U.S. census, and the 2000 census.