Coolidge, Samuel. Ln. Harvard University Library, 1734-1735.
Coombs, Frank L. Ln. California State Library, 1898-1899.
Coon, Walter S. Tribute. Nm. 1860/61: 14.
Cooper, Benjamin F. Independent Order of Odd Fellows Library. Md. 1909: 82.
Co-operation, illustrated by the Pennsylvania Federation of Historical Societies (S. P. Heilman). Ps. 1904/05: 140.
—— in purchase of books. Cm. 1911/12: 1.
—Jc. 1896: 5, 9.
—Nb. 1889/90: 5.
—P. 1885: 4.
—Pu. 1909/10: 31.
—St. 1909/10: 43.
—— of library commissions. See Library commissions, co-operation of.
Co-operative cataloguing. Cm. 1897/98: 278.*
—Hv. 1900/01: 214.*
—Wp. 1877/78: 19.
Cope, Mrs. Lana Hixson. Ln. Iowa State Library, 1894-1898.
Copying local records. Vi. 1910/11: 21.