Bureau of Ethnology. Reports and bulletins. Reports. Annual. Contain collections of illustrated papers, relating to the habits, customs, languages, folk-lore, religious ceremonials, etc., of the North American Indians. Bulletins. Papers relating to the North American Indians. Similar to the annual reports in character and contents. Geological Survey. Maps. Geologic atlas of United States. Issued in parts or folios as surveys are completed for various areas. Each folio comprises topographic, geologic, economic, and structural maps of the quadrangle, and occasionally other illustrations, with a general description. Bulletins. Cover a wide range of geologic investigation. Monographs. Comprehensive and exhaustive treatises on geologic subjects. Official gazette of the Patent Office. Official postal guide. Private publication, authorized by Post Office Department. Albany, N. Y., J. B. Lyon Co., $3.50 per year. Congressional directory. For the current session of Congress. Several editions embodying changes and corrections are issued during each session of Congress. General biographical directory of Congress, 1774-1911. Official register of the United States. The list of American and English genealogies in the Library of Congress, 1910; also, Heads of families, 1790, in the thirteen original states. Constitution of the United States, Jefferson’s Manual and Rules of procedure for the Senate and House of Representatives. Heitman’s Dictionary of the United States army, 1789-1903. Hamersly’s Register of the graduates of West Point, continued to 1900. =State Documents.=—In addition to the United States Documents referred to above there are a number of State Documents which will prove especially helpful as reference sources in a public library. They are generally to be secured through the Secretary of State, and for Michigan the following might be specified: Constitutional Convention, 1907-8, Journal and Debates (4 vols). The Journal contains comparative text of the Constitutions of 1908 and 1850. Compiled Laws, and index, 1897 (4 vols.), and Index to the Compiled Laws and Acts to 1906. Legislature. Journals of the Senate and the House of Representatives and the Public and Local Acts at the biennial sessions after 1897. Michigan Manual. Official directory and legislative manual compiled by the Secretary of State. Biennial. Contains statistical information prepared especially for the members of the Legislature, with maps of legislative districts, lists of state officers, etc. Desirable in every library. Census of Michigan. 1904 and every ten years. State Pioneer and Historical Collections, annual volumes. Reports of the following: