The chapter number for _Invitatio_ (1) was missing, and there is no
entry for _Clausula_ (151).
58 Convivium [53 for 58]
67 Domus [96 for expected 66]
88 Natatus [17 for expected 87; Natats]
96 Bibliopegus [Bibilopegus]
S. [_letter header missing_]
104 Sphæra cœlestis
107 Sphæra terrestris [[both spelled “Sphera” in body text]]