Sisters Overseas Service
The Sisters Overseas Service was founded by abortion rights activist Elizabeth Sewell. SOS was a pro-abortion organisation that helped women travel to help women fly to Australia to obtain a legal abortion.
- Radio New Zealand website: Sound Archives: Elizabeth Sewell - The Interminable Son by Hamish Sewell (accessed on 27 July, 2010)
- Sunday Star Times: Abortion 30 years on, 23 Dec. 2007 (accessed on 12 July, 2010)