- [S93] Weston Colville, Cambridgeshire - Transcript of Parish Register, (Cambridgeshire Family History Society, CD-ROM;), baptism of Cissie Mary Lucy Balls, of Frank William Victor & Catherine Emily otp lab, 17 Sep 1922 (Reliability: 3).
- [S112] Civil Registration Death Indexes 1837-, General Register Office, death registration of Cissie Mary L Jaggard, born 10 Aug 1922, Feb 1995, Cambridge B32C 235 (Reliability: 2).
- [S113] Civil Registration Marriage Indexes, General Register Office, (1837-;), marriage of Frank W.V. Balls & Katherine E. Carter, Linton 3b 815, March quarter 1922 (Reliability: 2).
- [S54] Carlton cum Willingham, Cambridgeshire - Transcript of Parish Register, (Cambridgeshire Family History Society, CD-ROM;), marriage of Frank William Victor Balls, 25 bac lab of Weston Colville son of James lab, & Katherine Emily Carter, 28 sp dau of Richard publican (decd), wits: Amy E Balls, Herbert Taylor (Reliability: 3).
- [S42] Births, Marriages and Deaths - Cambridgeshire Index Project, Cambridgeshire County Council, (http://www.cambridgeshire.gov.uk/sub/register/cambsindex.htm;), marriage of Arthur J Jaggard & Cissie M Balls, Cambridge Registration District 331/CE146/01/322/1, 1956 (Reliability: 3).