Noah Webster (1787). “An Examination Into the Leading Principles of the Federal Constitution Proposed by the Late Convention Held at Philadelphia: With Answers to the Principal Objections that Have Been Raised Against the System”, p.43
"Sir Henry Campbell-Bannerman's Speech at the London Interparliamentary Conference". The Advocate of Peace, Volume 68, No. 9, archive.org. September 1906.
Henry Morton Stanley (1873). “How I Found Livingstone: Travels, Adventures, and Discoveries in Central Africa; Including Four Months' Residence with Dr. Livingstone”, p.12