- Armstrong, William, Memoirs.
- Auckland Weekly News, 1909
- Burke, Josephine, A Memoir
- Burke, Josephine, Flashbacks
- Find a Grave® Index, 1800s-Current, www.findagrave.com, https://www.findagrave.com/memorial/209164095/leah-armstrong.
- New Zealand BDM Online (https://www.bdmhistoricalrecords.dia.govt.nz, ), bdmhistoricalrecords.dia.govt.nz/Search,, 1915/1356.
- New Zealand BDM Online (https://www.bdmhistoricalrecords.dia.govt.nz, ), bdmhistoricalrecords.dia.govt.nz/Search,, 1957/20433.
- New Zealand Cemetery Records, NZSG, Leah Armstrong. Purewa Cemetery Records, 1871-1994.
- New Zealand Obituaries 1844-1963, FamilySearch : https://www.familysearch.org/search/record/results?q.filmNumber=007832336 Image Number 775. https://www.familysearch.org/ark:/61903/1:1:QPR6-H9LX.
- New Zealand, Electoral Rolls 1853-2010, Ancestry.com.
- New Zealand. Electoral Rolls 1853-2010, 1911 Leah Armstrong Marsden electorate.
- New Zealand. Electoral Rolls 1853-2010, 1914 Leah_Barker Marsden roll.
- New Zealand. Electoral Rolls 1853-2010, 1919 Leah Armstrong Eden Roll.
- New Zealand. Electoral Rolls 1853-2010, 1925 Leah Armstrong . Raglan supplementary electorate. Residence Rotowaro. Number 7711.
- New Zealand. Electoral Rolls 1853-2010, 1925 Leah Armstrong Ohinemuri electorate. Number151.
- New Zealand. Electoral Rolls 1853-2010, 1925 Leah Armstrong Raglan Supplementary Rec no 7711.
- New Zealand. Electoral Rolls 1853-2010, 1928 Leah Armstrong Marsden roll.
- New Zealand. Electoral Rolls 1853-2010, 1928 Leah Armstrong Raglan roll.
- New Zealand. Electoral Rolls 1853-2010, 1935 Leah Armstrong Egmont roll.
- New Zealand. Electoral Rolls 1853-2010, 1938 Leah Armstrong Masterton General Roll. Rec no 229.
- New Zealand. Electoral Rolls 1853-2010, 1938 Leah Armstrong Remuera Supplementary Roll.Rec no 15049.
- New Zealand. Electoral Rolls 1853-2010, 1941 Leah Armstrong Remuera roll.
- New Zealand. Electoral Rolls 1853-2010, 1946 Leah Armstrong Remuera roll.
- New Zealand. Electoral Rolls 1853-2010, 1949 Leah Armstrong Remuera electorate. Rec
- New Zealand. Electoral Rolls 1853-2010, 1949 Leah Armstrong Waitakere electorate. Rec
- New Zealand. Electoral Rolls 1853-2010, 1954 Leah Armstrong Remuera roll.
- NZSG School Records (APWs), School: Mahurangi Heads West. Register number 75.
- Purewa Cemetery Burial Locator, Age 70 Purewa B03.32 Buried BlockJ/ Row 033/ Plot 94.
- Rodney Times, 16 March 1932