The County and City Data Book is a valuable tool for any academic and public library and contains essential data for any economic development official, regional planner, and urban researcher. It is the most comprehensive source of information about the individual counties and cities in the United States. This edition includes: More than 175 data items for all states and the nation's 3,141 counties. Approximately 80 data items for 1,265 incorporated places with populations of 25,000 or more. Nearly 80 additional items from the American Community Survey for 242 incorporated places with populations of 100,000 or more. 2006 population estimates for all states and counties. A complete list of metropolitan areas and their component counties with 2006 population estimates. A complete set of state maps showing all counties and incorporated places with populations of 25,000 or more.

The Data Book: Collection and Management of Research Data is the first practical book written for researchers and research team members covering how to collect and manage data for research. The book covers basic types of data and fundamentals of how data grow, move and change over time. Focusing on pre-publication data collection and handling, the text illustrates use of these key concepts to match data collection and management methods to a particular study, in essence, making good decisions about data. The first section of the book defines data, introduces fundamental types of data that bear on methodology to collect and manage them, and covers data management planning and research reproducibility. The second section covers basic principles of and options for data collection and processing emphasizing error resistance and traceability. The third section focuses on managing the data collection and processing stages of research such that quality is consistent and ultimately capable of supporting conclusions drawn from data. The final section of the book covers principles of data security, sharing, and archival. This book will help graduate students and researchers systematically identify and implement appropriate data collection and handling methods.