- [S324] Lansdell family tree, Judith Lansdell, (March 1999;).
recorded as Les Ayres
- [S295] Interment.net (Cemetery Transcription Library), (http://www.interment.net;), "Lansdell, Dorothy Page Dolly, d. 12 Jan 1911, age: 19yr, Youngest d/of George James and Alice" (Reliability: 2).
- [S111] Civil Registration Birth Indexes, General Register Office, (1837-;), birth of Dorothy Page Lansdell, Ashton 8d 445, December quarter 1892 (Reliability: 3).
- [S205] FreeBMD, (www.freebmd.org.uk;), death registration of Dorothy P Lansdell, 18, Chorlton 8c 538, March quarter 1911 (Reliability: 3).