Complex sentence: The Cyclopædia, being out of copyright, has been scanned and OCRed multiple times, is available from several sources, and has been used as the basis of biography collections at several other websites.
Split into simpler sentences: The Cyclopædia, being out of copyright, has been scanned and OCRed multiple times, and is available from several sources. It has been used as the basis of biography collections at several other websites.