The History of the Van Sickle Family in the United States of America by John Waddell Van Sickle. Accessed via Google Books 2012. Originally published 1880.
"United States Census, 1860," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MCW9-J8D : accessed 21 January 2015), Sarah C Evertts in household of James S Evertts, Springport, Cayuga, New York, United States; from "1860 U.S. Federal Census - Population," Fold3.com; citing p. 39, household ID 291, NARA microfilm publication M653, National Archives and Records Administration, Washington, D.C.; FHL microfilm 803,729.
"New York, State Census, 1865," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/QVNJ-CXVL : accessed 21 January 2015), Sarah C Everitt in household of James S Everitt, , Union Springs, Cayuga, New York, United States; citing source p. 9, line 37, household ID 64, State Library, Albany; FHL microfilm 853,201.