↑ 1.01.1Ancestry.com. 1870 United States Federal Census (2). (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2003;) Database online. , Ada, Idaho Territory, post office Boise City, roll 185, page 17, image 34.
Record for William W Dryden _FOOT: Ancestry.com, 1870 United States Federal Census (Provo, UT, USA: The Generations Network, Inc., 2003), Database online. , Ada, Idaho Territory, post office Boise City, roll 185, page 17, image 34.
↑ 2.02.1Ancestry.com. 1850 United States Federal Census. (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2005;) Database online. District 50, Linn, Missouri, roll M432_405, page 36, image 75.
Record for William W Dryden _FOOT: Ancestry.com, 1850 United States Federal Census (Provo, UT, USA: The Generations Network, Inc., 2005), Database online. District 50, Linn, Missouri, roll M432_405, page 36, image 75.