Horizon Information Portal

	Series	Count
1.	Primary documents in American history and contemporary issues	3
2.	Primary physical science	4
3.	Primary source explorers	6
4.	Primary source history	0
5.	See Fact finders. Primary source history	7
6.	Primary source history of the United States	0
7.	See Stanley, George Edward. Primary source history of the United States	6
8.	Primary source library of American citizenship	10
9.	Primary source library of famous artists	2
10.	Primary source library of famous composers	4
11.	Primary source library of famous explorers	0
12.	See Hoogenboom, Lynn. Primary source library of famous explorers	6
13.	Primary source library of the thirteen colonies and the Lost Colony	1