=Caldwell, George Chapman.= _Ms._, 1834- ----. A professor of agricultural chemistry at Cornell University. Agricultural Qualitative and Quantitative Analysis; Manual of Introductory Chemical Practice (with A. Breneman); Manual of Qualitative Chemical Analysis (with S. M. Babcock). =Caldwell, Joseph.= _N. J._, 1773-1835. A once noted educator who was president of the University of North Carolina. A Compendious System of Elementary Geometry; Letters of Carleton. =Caldwell, Linus Boues.= _N. Y._, 1834- ----. A Methodist clergyman and educator, of Tennessee. Wines of Palestine, or The Bible Defended; Beyond the Grave. =Caldwell, Merritt.= _Me._, 1806-1848. A professor of metaphysics at Dickinson College. The Doctrine of the English Verb; Manual of Elocution; Philosophy of Christian Perfection; Christianity Tested by Eminent Men. _See Memoir by S. M. Vail._ _Meth._ =Caldwell, Samuel Lunt.= _Ms._, 1820-1889. A Baptist clergyman whose later life was passed in Providence. Cities of Our Faith and Other Addresses and Discourses. _Hou._ =Caldwell, William Warner.= _Ms._, 1823- ----. A resident of Newburyport who has published Poems, Original and Translated, and has translated many lyrics from the German. =Calef, Robert.= _Ms._, _c._ 1648-1719. A Boston merchant who published in 1700 More Wonders of the Invisible World, a satirical reply to Cotton Mather’s Wonders of the Invisible World. Its line of argument was in direct opposition to the witchcraft persecutions, and the book was publicly burnt by Increase Mather in the grounds of Harvard College. _See Tyler’s American Literature._ =Calhoun= [kăl-hoon´], =John Caldwell.= _S. C._, 1782-1850. A South Carolina statesman who was secretary of state under Monroe, and again under Tyler, vice-president under John Quincy Adams, and United States senator from 1845 till his death. He was one of the ablest of political leaders, a great orator, and a political thinker of the first rank. His literary style is both vigourous and concise, and displays at times a remarkable intensity of expression. A Disquisition on Government; The Constitution and Government of the United States. _See Works in 6 volumes; Parton’s Famous Americans; Lives by Jenkins; Von Holst._ _Ap._ =Calkins, Norman Allison.= _N. Y._, 1822-1895. The first assistant superintendent of primary schools in New York city for thirty-three years. Primary Object Lessons; How to Teach; Manual of Object Teaching; Aids for Object Teaching; Trades and Occupations; Natural History Series for Children. =Callender, James Thomas.= _E._, 17-- -1803. A writer who was exiled from England on account of his pamphlet, The Political Progress of Great Britain. He was at first the friend and soon the violent political opponent of Thomas Jefferson. Sketches of the History of America; The Prospect before Us.