Having recently acquired a facsimile copy of Noah Webster's dictionary, I found myself growing curious about the use of the long, or cursive s, which looks like an f except the crossbar does not extend to the right.
Berryman, George R.
"A Myfterious Ufage,"
Word Ways: Vol. 9
, Article 9.
Available at: http://digitalcommons.butler.edu/wordways/vol9/iss1/9