X's have been mailed, for total cost $23


X Agashe
X Baker
X Coleman
X Cannon
Cremona
Csirik
Frey
X Goins
Grandma
X Granville
X Greenberg
X Katz
X Klenke
Kohel
Lenstra
X Lorenzini
X Mak
X Mazur
X McCullum
Merel
MomDad
Mueller
X O'Neil
X Ono
X Poonen
X Ribet
X Rodrigez-Vellegas
X Rubin
Sarnak
X Savitt
X Schaefer
Stoll
X Tate
X Taylor
X Tish
X Voloch
X Wetherell