Over the concluding decades of the twentieth century, the historic preservation community increasingly turned its attention to modern buildings, including bungalows from the 1930s, gas stations and diners from the 1940s, and office buildings and architectural homes from the 1950s. Conservation efforts, however, were often hampered by a lack of technical information about the products used in these structures, and to fill this gap Twentieth-Century Building Materials was developed by the U.S. Department of the Interior’s National Park Service and first published in 1995. Now, this invaluable guide is being reissued—with a new preface by the book’s original editor. With more than 250 illustrations, including a full-color photographic essay, the volume remains an indispensable reference on the history and conservation of modern building materials. Thirty-seven essays written by leading experts offer insights into the history, manufacturing processes, and uses of a wide range of materials, including glass block, aluminum, plywood, linoleum, and gypsum board. Readers will also learn about how these materials perform over time and discover valuable conservation and repair techniques. Bibliographies and sources for further research complete the volume. The book is intended for a wide range of conservation professionals including architects, engineers, conservators, and material scientists engaged in the conservation of modern buildings, as well as scholars in related disciplines.

Since Illinois became a state in 1818, it has been a microcosm of the country at every stage of its development, from its status as a "free" state in antebellum America to a state rich in agriculture and industry whose goods and services now travel the world. Illinois' four state constitutions have reflected its changing values. Illinois is currently one of the few states that have adopted a new constitution since World War II. This 1970 constitution has become a model for countries in Central and Eastern Europe seeking examples of modern American constitutions. The Illinois State Constitution traces the history of the state's constitution from its statehood in 1818 to the adoption of the state's fourth constitution in 1970. Ann M. Lousin, who has been involved in Illinois constitutional development and government for over four decades, provides provision-by-provision commentary and analysis of the state's current constitution, covering the Preamble, the Bill of Rights, and the various articles and amendments, including a survey of case law under each provision. Previously published by Greenwood, this title has been brought back in to circulation by Oxford University Press with new verve. Re-printed with standardization of content organization in order to facilitate research across the series, this title, as with all titles in the series, is set to join the dynamic revision cycle of The Oxford Commentaries on the State Constitutions of the United States. The Oxford Commentaries on the State Constitutions of the United States is an important series that reflects a renewed international interest in constitutional history and provides expert insight into each of the 50 state constitutions. Each volume in this innovative series contains a historical overview of the state's constitutional development, a section-by-section analysis of its current constitution, and a comprehensive guide to further research. Under the expert editorship of Professor G. Alan Tarr, Director of the Center on State Constitutional Studies at Rutgers University, this series provides essential reference tools for understanding state constitutional law. Books in the series can be purchased individually or as part of a complete set, giving readers unmatched access to these important political documents.

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