Buenker, John D.; Greenfield, G.M.; and Murin, W.J. Urban History: A Guide to Information Sources. Volume 9 in the American Government and History Information Guide Series. Detroit: Gale Research Company, 1981. Pp. xv, 448. Annotations; addendum; author, title and subject indexes. $38.00 Murphy, Thomas P. Urban Law: A Guide to Information Sources. Volume II in the Urban Studies Information Guide Series. Detroit: Gale Research Company, 1980. Pp. xxv, 320. Annotations; author, title and subject indexes. $38.00 Markowitz, Arnold L. Historic Preservation: A Guide to Information Sources. Volume 13 in the Art and Architecture Information Guide Series. Detroit: Gale Research Company, 1980. Pp. xvi, 279. Annotations: appendix; author, organization, title and subject indexes. $38.00 Murin, W.J.; Greenfield, G.M.; and Buenker, John D. Public Policy: A Guide to Information Sources. Volume 13 in the American Government and History Information Guide Series. Detroit: Gale Research Company, 1981. Pp. ix, 283. Annotations; addendum; author and subject indexes. $38.00 Smith, Dwight L. The American and Canadian West; A Bibliography. Clio Bibliography Series No. 6. Santa Barbara, Calif.: American Bibliography Center-Clio Press, 1979. Pp. xi, 558. Annotations; list of periodicals consulted; author and subject indexes. $69.00