Probability, section of Typographical errors in library databases at http://faculty.quinnipiac.edu/libraries/typoscomplete.html . This means that it had between 8 and 15 hits in OhioLINK at the time of its discovery. We checked this morning and found 13. Also, there were 92 hits in WorldCat.
Today's photograph shows the grave of Jazz Legend Louis Armstrong at the Flushing Cemetery in Queens, New York. The original can be seen at http://www.pbase.com/terryballard/image/89132925