| Ac. | Atlantic City Free Public Library |
| Ag. | Aguilar Free Library, New York |
| Al. | Allegheny Carnegie Free Library |
| As. | Astor Library, New York |
| At. | Atlanta Carnegie Library |
| Ba. | Bangor Public Library |
| Bc. | Braddock, Pa., Carnegie Free Library |
| Bd. | Bradford, Pa., Carnegie Public Library |
| Bf. | Buffalo Library |
| Bi. | Bowdoin College Library, Brunswick, Me. |
| Bk. | Brookline, Mass., Public Library |
| Bl. | Brooklyn Library |
| Bo. | Boston Public Library |
| Br. | Brooklyn Public Library |
| Bt. | Boston AthenÆum |
| Bu. | Buffalo Public Library |
| Ca. | California State Library |
| Cb. | Council Bluffs Free Public Library |
| Cd. | Colorado Traveling Library Commission |
| Cg. | Cambridge Public Library |
| Ch. | Chicago Public Library |
| Ci. | Cincinnati Public Library |
| Cl. | Cleveland Public Library |
| Cm. | Columbia University Library, New York |
| Cn. | Cornell University Library, Ithaca, N. Y. |
| Co. | Connecticut State Library |
| Cr. | Cedar Rapids, Ia., Free Public Library |
| Cs. | Columbus, O., Public School Library |
| Ct. | Connecticut Public Library Committee |
| Da. | Davenport, Ia., Public Library |
| De. | Detroit Public Library |
| Dl. | Delaware State Library Commission |
| Do. | Dover, N. H., Public Library |
| Ds. | Des Moines Public Library |
| Dt. | Dayton, O., Public Library |
| Em. | Emeline Fairbanks Memorial Library, Terre Haute, Ind. |
| Er. | Erie Public Library |
| Ev. | Evanston, Ill., Public Library |
| Fa. | Fall River, Mass., Public Library |
| Fo. | Forbes Library, Northampton, Mass. |
| Ft. | Fort Dodge, Ia., Free Public Library |
| Gr. | Grand Rapids Public Library |
| Gs. | General Society of Mechanics and Tradesmen, New York |
| Ha. | Haverhill, Mass., Public Library |
| Ht. | Hartford Public Library |
| Hv. | Harvard University Library, Cambridge, Mass. |
| Ia. | Iowa Library Commission |
| Id. | Indiana State Library |
| Ih. | Idaho Free Library Commission |
| Il. | Illinois State Historical Library |
| In. | Indiana Public Library Commission |
| Io. | Iowa State Library |
| Ja. | James V. Brown Library, Williamsport, Pa. |
| Jc. | John Crerar Library, Chicago |
| Je. | Jersey City Free Public Library |
| Jk. | Jacksonville, Fla., Public Library |
| Jp. | James Prendergast Free Library, Jamestown, N. Y. |
| Js. | Jackson, Mich., Public Library |
| Ka. | Kansas State Library |
| Kc. | Kansas City, Mo., Public Library |
| Ks. | Kansas Traveling Libraries Commission |
| Ky. | Kentucky Library Commission |
| La. | Lancaster, Mass., Town Library |
| Lc. | Library of Congress |
| Le. | Lowell, Mass., City Library |
| Li. | Lincoln, Neb., City Library |
| Lo. | Los Angeles Public Library |
| Lv. | Louisville Free Public Library |
| Lw. | Lawrence, Mass., Free Public Library |
| Ly. | Lynn, Mass., Public Library |
| M. | Montana State Library |
| Ma. | Massachusetts Free Public Library Commission |
| Mc. | Michigan State Library |
| Md. | Maryland State Library Commission |
| Me. | Maine Library Commission |
| Mg. | Michigan Library Commissioners |
| Mh. | Missouri State Historical Society |
| Mi. | Minneapolis Public Library |
| Mk. | Milwaukee Public Library |
| Ml. | Montclair, N. J., Free Public Library |
| Mm. | Maimonides Library, New York |
| Mn. | Malden, Mass., Public Library |
| Mo. | Missouri Library Commission |
| Mr. | Manchester, N. H., City Library |
| Ms. | Massachusetts State Library |
| Mt. | Minnesota Public Library Commission |
| My. | Maine State Library |
| N. | New York Society Library |
| Na. | Nashville Carnegie Library |
| Nb. | Newberry Library, Chicago |
| Nc. | North Carolina Library Commission |
| Nd. | New Bedford, Mass., Free Public Library |
| Ne. | Newark Free Public Library |
| Nf. | New York Free Circulating Library |
| Ng. | Niagara Falls Public Library |
| Nh. | New Hampshire Board of Library Commissioners |
| Ni. | New Hampshire State Library |
| Nj. | New Jersey Public Library Commission |
| Nk. | New York State Library |
| Nm. | New York Mercantile Library |
| No. | New
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