- [S324] Lansdell family tree, Judith Lansdell, (March 1999;).
recorded as Les Ayres
- [S205] FreeBMD, (www.freebmd.org.uk;), birth registration of Daisy Ann Lansdell, Fulham 1a 291, September quarter 1891 (Reliability: 2).
- [S205] FreeBMD, (www.freebmd.org.uk;), marriages of Alfred Lansdell and Ellen Stone share reference Chelsea 1a 485, March quarter 1884 (Reliability: 3).
- [S113] Civil Registration Marriage Indexes, General Register Office, (1837-;), marriage of Alexander A H Isitt and Daisy A Lansdell, Richmond S 2a 1007, September quarter 1916 (Reliability: 2).