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Presents Top 20 music charts for the period and data on each song. Numerical chart ratings are approximate, based on sources that largely contained only prose or qualitative information about the songs of the day. Section I is an index of charted songs, and Section II contains month-by-month song charts. Section III breaks monthly charts into semi-monthly intervals and shows the chart activity of songs from a more detailed viewpoint. Section IV contains complete details for every song mentioned, with information on title, rank for the year, publisher at the time of popularity, publication date, and the month, year, and rank when peak popularity was attained, plus writers of the song and artists connected with the song, and shows or movies in which the song was featured. Annotation copyrighted by Book News Inc., Portland, OR

"A balance of sophistication and clarity in the writing, authoritative entries, and strong cross-referencing that links archtects and structures to entries on the history and theory of the profession make this an especially useful source on a century of the world's most notable architecture. The contents feature major architects, firms, and professional issues; buildings, styles, and sites; the architecture of cities and countries; critics and historians; construction, materials, and planning topics; schools, movements, and stylistic and theoretical terms. Entries include well-selected bibliographies and illustrations."--"Reference that rocks," American Libraries, May 2005.

The first A–Z resource on the history of science from 1900 to 1950 examining the dynamic between science and the social, political, and cultural forces of the era. Though many books have highlighted the great scientific discoveries of the early 1900s, few have tackled the wider context in which these milestones were achieved. Science in the Early Twentieth Century covers everything from quantum physics to penicillin and more, including all the major scientific developments of the period, detailing not only the scientists and their work, but also the social and political forces that dominated the scientific agenda. Over 200 A–Z entries chronicle the landmark scientific discoveries and personalities of the period, including such scientific giants as Albert Einstein and Marie Curie. Placing science firmly within its cultural context, this thoroughly researched, accessible resource takes a uniquely interdisciplinary approach, making it an invaluable text for scientists, educators, students, and the general reader.