The Sabbath A Paper Read at the Conference of the Evangelical Alliance, Held at Geneva, September 2. 1861

Social-Democracy & Woman Suffrage A Paper Read by Clara Zetkin to the Conference of Women Belonging to the Social-Democratic Party Held at Mannheim, Before the Opening of the Annual Congress of the German Social-Democracy

Encyclopaedia Britannica, 11th Edition, "Evangelical Church Conference" to "Fairbairn, Sir William" Volume 10, Slice 1

A Report of the Debates and Proceedings in the Secret Sessions of the Conference Convention For Proposing Amendments to the Constitution of the United States, Held at Washington, D.C., in February, A.D. 1861

Fifty years with the Revere Copper Co. A Paper Read at the Stockholders' Meeting held on Monday 24 March 1890

International Conference Held at Washington for the Purpose of Fixing a Prime Meridian and a Universal Day. October, 1884. Protocols of the Proceedings