KEY TO SYMBOLS

DHU Howard University, Washington, D.C. DLC Library of Congress (uncataloged) DLC-LL Library of Congress, Law Library (unclassified) FU University of Florida, Gainesville ICN Newberry Library, Chicago, Ill. ICU University of Chicago MH Harvard University, Cambridge, Mass. NNC Columbia University, New York, N.Y. NcD Duke University, Durham, N.C. NcU University of North Carolina, Chapel Hill PSt Pennsylvania State University, University Park TxU University of Texas, Austin Vi Virginia State Library, Richmond