A major index of Sly, Slye, Sligh, Slie, etc and related source documents collected by Rev John Gray, Elaine Johnson,and many others over a period of many years have been scanned and uploaded by Walter Bennett. They have been uploaded in pdf format to http://slyfamilyfiles.googlepages.com/
These were scanned by folder. These files are searchable with acrobat but having been scanned, might not be 100% searchable.
