PENNSYLVANIA RETROSPECTIVE CD-ROM SERIES: ALLEGHENY COUNTY - THE 19th CENTURY AND BEFORE. 2000 by Retrospect Publishing. This CD-Rom, developed for Windows 95 through XP, will allow you to conduct full text searches, view the images of the original pages, create your own bookmarks and print pages. The books contained in this viewer are: HISTORY OF ALLEGHENY COUNTY, PA, PARTS I & II (A. Warner & Co., Publishers; 1889) ALLEGHENY COUNTY DIRECTORY, 1897 (R.L. Polk & Company; 1897). Search for well over 50,000 Allegheny County residents from the 1700s to the late 1800s within seconds. You will be able to find people, places, churches, businesses and much more. Cushing's 1889 County History contains thousands of biographies along with histories of the founders and pioneers of the townships and boroughs. Search for county taxpayers and learn how much tax they paid, or look up your ancestors telephone number in Polk's 1897 Directory. Learn about the many floods that plagued the Pittsburgh area, including the legend of the great "pumkin flood". (2185 pages) ISBN 1-929356-03-X.