• [S1] 1940 census.
  • [S2] 1930 census.
  • [S3] 1920 census.
  • [S5] 1900 census.
  • [S6] 1880 census.
  • [S7] 1870 census.
  • [S8] 1860 census.
  • [S9] 1850 census.
  • [S10] FindAGrave http://findagrave.com
  • [S11] California Death Index on FamilySearch.
  • [S12] Ellis Island records.
  • [S13] Original information given by family member living in 2015.
  • [S15] Obituary of Meryl Frey Speer The Salina Journal: Salina KS, February 16, 2002 pg.4 http://www.newspapers.com/newspage/1646214
  • [S16] Cook County Illinois Birth Certificates Index 1871-1922 on Ancestry.
  • [S17] Illinois Deaths and Stillbirths Index 1916-1947 on Ancestry.
  • [S18] Pennsylvania Births and Christenings 1709-1950 on Family Search.
  • [S19] U.S. Naturalization Record Indexes 1791-1992 on Ancestry.
  • [S20] Indiana Marriage Collection 1800-1941 on Ancestry.
  • [S21] Genealogy of the Morr Family, Calvin F Moyer assited by Mary E Morr, Sun Publishing Co: Ashland OH, 1896 https://archive.org/details/genealogyofmorrf00moye
  • [S22] Pennsylvania Lutheran Baptisms and Marriages on Ancestry.
  • [S23] Sons of the American Revolution Application for Frank Howard Frey, son of Reuben Frey andMary Alice Plowman (ancestor = Jonathan Plowman) on Ancestry, 2 Nov 1835.
  • [S24] Website: Descendants of Michael "Buch" Book, Michael & Lisa Book, : Iowa, as of Sep 2000 http://www.genealogy.com/ftm/b/o/o/Michael-K-Book/GENE1-0001.html
  • [S25] A register of Plowmans in America, as far as obtained with tracings of families, and extracts from English and American records, Benjamin H F Plowman, : New York, 1901 https://archive.org/details/registerofplowma00plow
  • [S26] Illinois Cook County Deaths 1878-1939, 1955-1994 on FamilySearch.
  • [S27] History of Dekalb County, Indiana: with biographical sketches of ... B F Bowen & Co: Indianapolis IN, 1914 https://books.google.com/books?id=sgQUAQAAMAAJ