A press release from the United States of America Embassy New Zealand about USAID/OFDA Press Officer, Rebecca Gustafson's experiences during the 22 February 2011 earthquake in Christchurch.
A blog post from US Ambassador to New Zealand and Samoa, David Huebner, titled, "Michele Petersen Remembers February 22nd".
A pdf copy of an email sent to the participants in a One Voice Te Reo Kotahi forum held on 10 March 2014. OVTRK report that the email was sent to Arihia Bennett, the Chief Executive Officer of Te Rūnanga o Ngāi Tahu, Christchurch Mayor Lianne Dalziel, Waimakariri Mayor David Ayers, Selwyn District Councillor Malcolm Lyall, and Dame Margaret Bazley, Chair of Environment Canterbury.