- [S6739] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, Extracted record. Batch No: C11150-2, System origin: Scotland-ODM, GS Film No: 990822.
- [S6740] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, Extracted record. Batch No: C11150-2, System origin: Scotland-ODM, GS Film No: 990822.
- [S6741] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, Extracted record. Batch No: C11150-2, System origin: Scotland-ODM, GS Film No: 990822.
- [S6752] 1881 Scottish Census, Seafield, Banffshire, ScotlandsPeople, Census 1881 (LDS), Source : FHL Film 0203442 GRO Ref Volume 167 EnumDist 2 Page 12, Reference Number : 90912, Volume 167, Enumeration district 2, page 12.
- [S6753] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, Extracted record. Batch No: C11150-2, System origin: Scotland-ODM, GS Film No: 990822.
- [S6754] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, Extracted record. Batch No: C11153-1, System origin: Scotland-ODM, GS Film No: 6035516.
- [S6757] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, Extracted record. Batch No: M11153-4, System origin: Scotland-ODM, GS Film No: 990992.
- [S6768] James Fretwell to Maria Henshaw, Marriage entry, 15 July 1816, "Register of marriages for the Parish Church of Heanor 1813-1837," page 39, No. 116, LDS Church,.
- [S6769] 1851 English Census, Shipley, Derbyshire, Public Record Office, registration district of Basford, reference HO 107/2126, folio 123, page 19, number of schedule -.
- [S6770] 1841 English Census, Heanor, Derbyshire, Public Record Office, registration district of Basford, reference HO 107/188, folio 15, page 25.
- [S6778] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, "Pennsylvania, County Marriages, 1885-1950," database with images, FamilySearch. GS Film No: 000878598, Digital Folder No: 004811569, Image No: 00039.
- [S6779] 1900 United States Census, 1st Precinct, Mifflin Township, Allegheny, Pennsylvania, "United States Census, 1900", database with images, FamilySearch, enumeration district ED 447, sheet 20A, household ID 364, enumeration date 20 June 1900.
- [S6780] 1900 United States Census, 1st Precinct, Mifflin Township, Allegheny, Pennsylvania, "United States Census, 1900", database with images, FamilySearch, enumeration district ED 447, sheet 20A, household ID 361, enumeration date 20 June 1900.
- [S6781] 1900 United States Census, 1st Precinct, Mifflin Township, Allegheny, Pennsylvania, "United States Census, 1900", database with images, FamilySearch, enumeration district ED 447, sheet 20A, household ID 360, enumeration date 20 June 1900.
- [S6782] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, "Pennsylvania, County Marriages, 1885-1950," database with images, FamilySearch. GS Film No: 000878630, Digital Folder No: 004264786, Image No: 00502.
- [S6783] 1900 United States Census, 1st Precinct, Mifflin Township, Allegheny, Pennsylvania, "United States Census, 1900", database with images, FamilySearch, enumeration district ED 447, sheet 20A, household ID 363, enumeration date 20 June 1900.
- [S6784] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, "Pennsylvania, County Marriages, 1885-1950," database with images, FamilySearch. GS Film No: 000878628, Digital Folder No: 004264788, Image No: 00064.
- [S6785] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, "Pennsylvania, County Marriages, 1885-1950," database with images, FamilySearch. GS Film No: 000878634, Digital Folder No: 004264827, Image No: 00550.
- [S6786] 1900 United States Census, 1st Precinct, Mifflin Township, Allegheny, Pennsylvania, "United States Census, 1900", database with images, FamilySearch, enumeration district ED 447, sheet 22A, household ID 398, enumeration date 21 June 1900.
- [S6787] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, "Pennsylvania, County Marriages, 1885-1950," database with images, FamilySearch. GS Film No: 000878586, Digital Folder No: 004266915, Image No: 00053.
- [S6788] 1900 United States Census, 3rd Precinct, Jefferson Township, Allegheny, Pennsylvania, "United States Census, 1900", database with images, FamilySearch, enumeration district ED 408, sheet 7A, household ID 113, enumeration date 7 June 1900.
- [S6789] Charles Fretwell, Baptism entry, 9 November 1856, "Register of Baptisms in the parish of Cotmanhay", ("England Births and Christenings, 1538-1975", database, FamilySearch), page 51, No. 403, LDS Church,.
- [S6790] 1910 United States Census, Charleroi, Washington, Pennsylvania, "United States Census, 1910", database with images, FamilySearch, enumeration district ED181, sheet 1A, household ID 2, enumeration date 15 April 1910.
- [S6835] Maria Fretwell Briggs, Find A Grave record, Lebanon Church Cemetery, West Mifflin, Pennsylvania, USA, https://www.findagrave.com/memorial/137616820/maria-briggs;.
- [S6836] Jr James Briggs, Find A Grave record, Lebanon Church Cemetery, West Mifflin, Pennsylvania, USA, https://www.findagrave.com/memorial/137617005/james-briggs;.
- [S6837] George Briggs, Find A Grave record, Lebanon Church Cemetery, West Mifflin, Pennsylvania, USA, https://www.findagrave.com/memorial/172508908/george-briggs;.
- [S6838] H Homer Briggs, Find A Grave record, Lebanon Church Cemetery, West Mifflin, Pennsylvania, USA, https://www.findagrave.com/memorial/137616922/…;.
- [S6839] Mary Belle Briggs Minford, Find A Grave record, Round Hill Cemetery, Elizabeth, Pennsylvania, USA, https://www.findagrave.com/memorial/112015547/…;.
- [S6840] William Minford, Find A Grave record, Round Hill Cemetery, Elizabeth, Pennsylvania, USA, https://www.findagrave.com/memorial/112015545/…;.
- [S6841] Louisa Winkelvoss, Find A Grave record, Round Hill Cemetery, Elizabeth, Pennsylvania, USA, https://www.findagrave.com/memorial/112015606/…;.
- [S6842] Thomas Winkelvoss, Find A Grave record, Round Hill Cemetery, Elizabeth, Pennsylvania, USA, https://www.findagrave.com/memorial/112015617/…;.
- [S6843] Page 7, article, 'Blanchard H. Forsythe', Pittsbugh Daily Post, Pittsbugh, Pennsylvania (Thursday 15 May 1913),.
- [S6844] Page 2, article, 'Forsythe', Pittsbugh Daily Post, Pittsbugh, Pennsylvania (Friday 16 May 1913),.
- [S6868] 1910 United States Census, Dravosburg, Allegheny, Pennsylvania, "United States Census, 1910," database with images, FamilySearch, enumeration district ED 51, sheet 8A, household ID 156, enumeration date 18 April 1910.
- [S6869] 1920 United States Census, Precinct 5, North Versailles Township, Allegheny, Pennsylvania, "United States Census, 1920," database with images, FamilySearch, enumeration district ED 290, sheet 8A, household ID 131, enumeration date 13 January 1920.
- [S6870] 1930 United States Census, Wilmerding, Allegheny, Pennsylvania, "United States Census, 1930," database with images, FamilySearch, enumeration district ED 876, sheet 35A, household ID 636, enumeration date 19 April 1930.
- [S6873] LDS Church (new FamilySearch), International Genealogical Index, Family History Library, "Pennsylvania, County Marriages, 1885-1950," database with images, FamilySearch. GS Film No: 000878579, Digital Folder No: 004266914, Image No: 00544.
- [S6874] 1910 United States Census, Mifflin Township, Allegheny, Pennsylvania, "United States Census, 1910", database with images, FamilySearch, enumeration district ED 154, sheet 11A, household ID 199, enumeration date 25 April 1910.
- [S6875] 1900 United States Census, Mifflin Township, Allegheny, Pennsylvania, "United States Census, 1900", database with images, FamilySearch, enumeration district ED 447, sheet 21B, household ID 389, enumeration date 21 June 1900.
- [S6877] 1930 United States Census, Mifflin Township, Allegheny, Pennsylvania, "United States Census, 1930", database with images, FamilySearch, enumeration district ED 701, sheet 7B, household ID 149, enumeration date 10 April 1930.
- [S6878] 1910 United States Census, Mifflin Township, Allegheny, Pennsylvania, "United States Census, 1910", database with images, FamilySearch, enumeration district ED 154, sheet 11B, household ID 209, enumeration date 25 April 1910.
- [S6908] William H Briggs, Commonwealth of Pennsylvania, Department of Health Bureau of Vital Statistics, Certificate of Death 1911, File No. 25430, Registered No. 169, 21 March 1911,.
- [S6909] Robert S Briggs, Commonwealth of Pennsylvania, Department of Health Bureau of Vital Statistics, Certificate of Death 1927, File No. 96385, Registered No. 54, 6 October 1927,.
- [S6910] 1910 United States Census, Jefferson Township, Allegheny, Pennsylvania, "United States Census, 1910", database with images, FamilySearch, enumeration district ED 102, sheet 19A, household ID 324, enumeration date 27 April 1910.
- [S6911] 1920 United States Census, Jefferson Township, Allegheny, Pennsylvania, "United States Census, 1920," database with images, FamilySearch, enumeration district ED 161, sheet 9B, household ID 31, enumeration date 3-5 January 1920.
- [S6912] Robert S Briggs; World War I Military Service Cards; Robert S Briggs, Army Serial Number 2601831; National Archives and Records Administration.
- [S6913] H Homer Briggs, Commonwealth of Pennsylvania, Department of Health Bureau of Vital Statistics, Certificate of Death 1930, File No. 82882, Registered No. 80, 26 September 1930,.
- [S6915] Mina Ferree née Briggs, Commonwealth of Pennsylvania, Department of Health Bureau of Vital Statistics, Certificate of Death 1944, File No. 69520, Registered No. 98, 19 August 1944,.
- [S6916] Ella Cortazzo née Briggs, Commonwealth of Pennsylvania, Department of Health Bureau of Vital Statistics, Certificate of Death 1948, File No. 68215, Registered No. 322, 28 August 1948,.
- [S8118] Jean Milne, OPR Baptism entry, 22 September 1811, "Jean Milne (b1811), OPR baptism entry", (150/4), 212, General Register Office for Scotland (GROS), New Register House, 3 West Register Street, Edinburgh, Scotland.