Whatever you may discover in this gallery,
there's also a bit of a mixed basket of PEARS...(it's pronounced "peers", though)... buried on web pages somewhere in cyberspace.
There're some starter links below...
http://www.fewpb.net/~mgsparks/wweebb5/PearsBasicResearch.htm "A Little Bit of Soap..." "Tiny Bubbles"
...and (Thanks, Melinda Mathis!).... http://www.fewpb.net/~mgsparks/wweebb5/JosephPears.htm
For Basic Handwritten Lineage Documentation check this gallery:
http://gean.smugmug.com/gallery/868978 Images 1 and 2
And a bit here: http://gean.smugmug.com/gallery/869000 on Image 2
More uh Pears at: http://gean.smugmug.com/gallery/869011 on Images 3 and 7