"The Federal and State Constitutions Colonial Charters, and Other Organic Laws of the States, Territories, and Colonies Now or Heretofore Forming the United States of America" compiled and edited by Newton Thorpe, Washington, DC : Government Printing Office, 1909.
Speech at Birmingham, 4th August 1884, quoted in "The House of Lords: A handbook for Liberal speakers, writers and workers" by Liberal Publication Department, (p. 96), 1910.
Joseph Priestley (1790). “Experiments and Observations on Different Kinds of Air and Other Branches of Natural Philosophy, Connected with the Subject ...: Being the Former Six Volumes Abridged and Methodized, with Many Additions”, p.43