- [S688] Derek Stanley Nash, Forgotten Families - A Family History (5, Wimmerfield Close, Killay, Swansea, SA2 7DE: self published, 1989). Hereinafter cited as Forgotten Families - A Family History.
- [S795] Unknown author, World Family Tree Vol. 7 (n.p.: n.pub., unknown publish date). Hereinafter cited as World Family Tree Vol. 7.
- [S834] Exhibit item; unknown repository, Stratford Perth Museum, Ontario, Canada.
- [S1242] Bertha m. Isosaki, "Bertha m. Isosaki, compiled records" (Brownsville, Texas, U.S.A.). . Hereinafter cited as "Bertha m. Isosaki."
- [S3087] The Websters of PEI 1758-1971. Hereinafter cited as The Websters of PEI 1758-1971.
- [S3221] Carlyle & Elaine Glover, "Personal communication" . Hereinafter cited as "Personal communication."
- [S3241] Obituary - Wyman Cairns, The Guardian, Summerside, Prince Edward Island. Hereinafter cited as The Guardian.
- [S4860] Cemetery Marker - Robert Lorne MacCaull. Robert Lorne MacCaull & Lois Jean Callbeck, Cemetery marker; David A. Walker, 10 August 2010.
- [S4909] Marriage Book #7, 1856-1863 - William Wilson Cairns & Georgina Helen Darby (Charlottetown, Prince Edward Island: Public Archives & Records Office of Prince Edward Island). Hereinafter cited as Marriage Book #7, 1856-1863, p. 289, William Wilson Cairns & Georgina Helen Darby.
- [S4910] Marriage Book #6, p. 136 & 137 - William Wilson Cairns & Georgina Helen Darby (Charlottetown, Prince Edward Island: Public Archives & Records Office of Prince Edward Island). Hereinafter cited as Marriage Book #6, p. 136 & 137 - William Wilson Cairns & Georgina Helen Darby.
- [S6135] Cemetery Marker - Jesse Schurman & Elizabeth Mary Callbeck. Jesse Schurman & Elizabeth Mary Callbeck, tombstone inscription; David A. Walker, 7 July, 2011.
- [S6136] Baptism Record - Lottie Louisa Schurman, United Church, Bedeque, Prince County, Prince Edward Island, Record Book 1, Page 159, (3 November 1879). Hereinafter cited as Baptism Record - Lottie Louisa Schurman.
- [S6137] Baptism Record - Priscilla Callbeck Schurman, United Church, Bedeque, Prince County, Prince Edward Island, Record Book 1, Page 166, (22 February 1884). Hereinafter cited as Baptism Record - Priscilla Callbeck Schurman.
- [S6138] Baptism Record - Elma Loetta Schurman, United Church, Bedeque, Prince County, Prince Edward Island, Record Book 1, Page 165, (22 February 1884). Hereinafter cited as Baptism Record - Elma Loetta Schurman.
- [S6141] Jesse Schurman and Elizabeth Callbeck marriage, PARO, Public Archives and Records Office of Prince Edward Island, Charlottetown, Queens County, Prince Edward Island, Canada. PARO, Charlottetown, PEI, Register, 1871-1878.
- [S6214] Cemetery Marker - Philip Henry Callbeck. Philip Henry Callbeck & Priscilla Pope Wright, tombstone inscription; David A. Walker, 1 August 2011.
- [S6215] Cemetery Marker - William Elmer Callbeck. William Elmer Callbeck & Sophia Robertson, tombstone inscription; David A. Walker, 1 August 2011.
- [S6232] Cemetery Marker - Henry Scott Callbeck. Henry Scott Callbeck, tombstone inscription; David A. Walker, 1 August 2011.
- [S7019] Obituary - Dorothy "Dot" Russell (Callbeck) Inman, Moase Funeral Home, Summerside, Prince Edward Island23 April 2012.
- [S7591] Cemetery Marker. Ralph Robertson Callbeck, inscription; read by David A. Walker, 15 August 2012.
- [S7673] 1881 Canada Census, Lot 58, Queens County, Prince Edward Island, of Alexander MacDonald household #94, 1891, digital image of census page, LAC Reel C_13164, Page 24. Library & Archives Canada. Library & Archives Canada, Library & Archives Canada, 395 Wellington St., Ottawa, Ontario, Canada.
- [S7674] 1891 Canada Census, Lot 58, Queens County, Prince Edward Island, of Alexander MacDonald household #1, 1891, digital image of census page, LAC Reel T-6384. Library & Archives Canada. Library & Archives Canada, Library & Archives Canada, 395 Wellington St., Ottawa, Ontario, Canada.
- [S8093] Descendants of Thomas & Elizabeth Clow of Suffolk, England, online http://trees.ancestry.com/tree/7316062/person/-1119866015. Hereinafter cited as Descendants of Thomas & Elizabeth Clow.
- [S8096] Baptismal Index, Public Archives & Records Office, Charlottetown, Prince Edward Island, transcription, baptism, Trinity United Church, Summerside, Book 1, Pages 29-30, (11 May 1890). Hereinafter cited as Baptismal Index PARO.
- [S8466] Cemetery marker, Peoples Cemetery, Summerside, Prince County, Prince Edward Island, Canada. J.S. Cook & Eva Callbeck, tombstone inscription & photograph; documented by David A. Walker, 1 July 2013.
- [S9055] 1921 Canada Census, Dock Road, Elmsdale, Prince County, Prince Edward Island, of John Callaghan household #105, 1921, digital copy of original image, LAC reference # RG 31, Folder #104, page 13. Library & Archives Canada, Library & Archives Canada, 395 Wellington St., Ottawa, Ontario, Canada.
- [S9056] Cemetery marker, Sacred Heart Roman Catholic Cemetery, Alberton, Prince County, Prince Edward Island, Canada. John A. Callaghan & Mary B. Wallace, tombstone inscription; read by David A. Walker, 21 October 2013.
- [S9294] Baptism Record, United Church Records, Bedeque, Prince Edward Island, Book #1, Page 88, (27 November 1859). Hereinafter cited as Baptism Record.
- [S9295] Baptism Record, United Church Records, Hampton, Prince Edward Island, Book #2, Page 68, (23 October 1856). Hereinafter cited as Baptism Record.
- [S9989] Obituary, Moase Funeral Home, Summerside, Prince County, Prince Edward Island, Canada.
- [S10138] Death Notice, Moase Funeral Home, Summerside, Prince Edward Island, Canada.
- [S10680] Cemetery marker, Bedeque Cemetery, Lower Bedeque, Prince County, Prince Edward Island, Canada. Sadie M. Wright family plot, marker inscription & photograph; read by David A. Walker, 8 August 2015.
- [S10710] Cemetery Marker, Bedeque (United Church) Cemetery, Lower Bedeque, Prince County, Prince Edward Island, Canada. Ada Louise Callbeck & Sarah Mildred Callbeck, tombstone inscription; read by David A. Walker, 11 August 2015.
- [S10734] Cemetery Marker, Bedeque (United Church) Cemetery, Lower Bedeque, Prince County, Prince Edward Island, Canada. Elizabeth Callbeck, tombstone inscription; read by David A. Walker, 11 August 2015.
- [S10883] Cemetery Transcripts, Presbyterian & United Church Cemeteries, Birch Hill, Prince County, Prince Edward Island, Canada, transcription, n.pub., n.p., unknown volume Personal Archives of David Arthur Walker.
- [S11862] Cemetery Transcripts, St. Paul's R.C. Church Cemetery, Summerside, Prince County, Prince Edward Island, Canada, transcription, n.pub., n.p., unknown volume, Library of David Arthur Walker,.
- [S11899] 1940 U.S. Census, Benton Harbor, Berrien County, Michigan, household of Earl Callendar, 1940, digital copy of original document, Ancestry.com, 1940 United States Federal Census, Microfilm Reel T627_1731, Page 63A; Enumeration District :11-14. Ancestry (Canada), http://www.ancestry.ca
- [S12292] Cemetery marker, Peoples Cemetery, Summerside, Prince County, Prince Edward Island, Canada. Harold George Speers, tombstone inscription & photograph; read by David A. Walker, 18 June 2017.
- [S12302] Cemetery marker, Peoples Cemetery, Summerside, Prince County, Prince Edward Island, Canada. Ernest Everett Callbeck & Olga Parkman, tombstone inscription & photograph; read by David A. Walker, 3 July 2017.
- [S12306] Cemetery marker, Peoples Cemetery, Summerside, Prince County, Prince Edward Island, Canada. Edward Keith Cameron, tombstone inscription & photograph; read by David A. Walker, 3 July 2017.
- [S12359] Cemetery marker, United Church Cemetery, Searletown, Prince County, Prince Edward Island, Canada. Kenneth E. Stright & Annie I. Cameron, tombstone inscription & photograph; read by David A. Walker.
- [S12998] Correspondence with Bonnie Glover,.
- [S14300] Cemetery marker, Peoples Cemetery, Summerside, Prince County, Prince Edward Island, Canada. Archibald N. Ramsay family plot, tombstone inscription & photograph; documented by David Walker, 25 August 2019.
- [S14332] 1921 Canada Census, Charlottetown, Queens County, Prince Edward Island, of Marcus Calder household #125, digital copy of original document, Library & Archives Canada, Ottawa; Census Place: Charlottetown; Reference Number RG 31; Folder Number 105; Page 11. Library & Archives Canada, Library & Archives Canada, 395 Wellington St., Ottawa, Ontario, Canada.
- [S14662] Baptism Record, Public Archives & Records Office, Charlottetown; St. John's Anglican Church Records, Crapaud, Queens County; Record Book Number 2. Hereinafter cited as Baptism Record.
- [S15772] 1881 Census of Canada, Grand Manan, Charlotte County, New Brunswick, household #213 of Ewen Cameron, digital copy of original document, LAC Roll C_13180, Page 43. Library & Archives Canada, Library & Archives Canada, 395 Wellington St., Ottawa, Ontario, Canada.
- [S16292] New Hampshire, U.S., Births and Christenings Index, 1714-1904, Sarah Calfe, transcription (FHL Film 1000377), Ancestry (USA), http://www.ancestry.com
- [S16293] New Hampshire, U.S., Birth Index, 1659-1900, Sarah Calfe, digital copy of original document Record ID: 4582::260806 (12 June 1749), Ancestry (USA), http://www.ancestry.com
- [S17349] 1950 United States Federal Census, Milford, Dickinson County, Iowa, household of Allen Glover, 13 April 1950, digital copy of original census document, NARA Roll 914. National Archives and Records Administration, Washington, D.C., U.S.A..
- [S17687] New Hampshire, U.S., Marriage Records, 1700-1971, John Frank Crewe & Madeline Mae Lyon marriage, Married 26 July 1958 Concord, Merrimack County, New Hampshire, U.S.A.. New Hampshire Department of Health, Concord, New Hampshire.