Okanogan County heritage
National geographic
History notes
Polk city directory
The orchardist by Coplin, Amanda
Ancient places by Nisbet, Jack
Backpacking Washington : overnight and multiday routes by Romano, Craig
Dividing paradise by Sherman, Jennifer
Border songs by Lynch, Jim
Unsettled ground by Tate, Cassandra
East of the mountains by Guterson, David
Original journals of the Lewis and Clark Expedition, 1804-1806 by Lewis, Meriwether
Eager by Goldfarb, Ben
The Oregon Trail by Buck, Rinker
Marks on a bundle of leaves by Byrd, Robert
A history of central Washington including the famous Wenatchee, Entiat, Chelan and the Columbia Valleys by Hull, Lindley M
Washington disasters by Mcnair-Huff, Rob
The Columbia, America's great highway through the Cascade Mountains to the sea by Lancaster, Samuel Christopher
Day hiking : Snoqualmie region : cascade foothills/I-90 corridor/alpine lakes by Nelson, Dan A
A view of the Methow from Moccasin Lake Ranch by Pigott, James C
Forgotten trails by Anglin, Ron
The Collector by Nisbet, Jack
The secret history of Twin Peaks by Frost, Mark
The Night the mountain fell, and other stories of north central Washington history