1. Biographies of Prime Ministers, popular and academic books on Canadian politics.
2. Memo from Jack Pickersgill.
3. Interviews with:
   • E.A. Pickering (Toronto) 416-226-1209 (King)
   • Jack Granatstein (Toronto) 416-932-5521 (King)
   • Gordon Roberston (Ottawa) 746-6694 (Pearson Marc Lalonde)
   • Professor Waite (Halifax) 1-902-424-2011 (John Thompson)
   • *Huguette Fournier (Montréal) 1-514-397-3000 (Pearson, Lalonde)
   • Tom Kent (Mabou, N.S.) 1-902-945-2181 (Pearson)

Nota bene: Secondary sources were used to complete this list. It should not be considered an official list.