Here’s at least some (not all!) of the p-mounts Shure made:
800E, 1000E, 1200HRP, Alta Pro 2, Alta Pro 4, BC80, DT15P, DT25P, DT35P, HA105ES, HE150, LTP-2, M92E, M92LT, M92LTP-2, M92LT-EP, M94LT, M96LT, M97LT, M99E, M104E, M105E, M110HE, M111E, M111HE, M970HR-P, ME75P, ME94P, ME96P, ML120-P, MP94E, MT105P, MT205P, MT305P, ND1000, ND1500, ND2000, Presence 2, Presence 4, Presence 8, Presence 500S, Presence 1000E, Pro5 IMP, Pro6, Pro40 IMP, Proart 2, Proart 3, Proart 5, Proart 7, Proart 9, Pro-Track 4, Pro-Track 6, Pro-Track 8, Pro-Track 10, Realistic RXP3, Realistic RXT5, Realistic RXT6, V15HR-P, V15-LT, V15V-P and VST III-P.
Note that some are OEM cartridges, not Shure models, although they were often labelled Shure. Many of the cartridges also were sold under other names in the list, and many also had half inch mount twins, such as (half inch cartridges first, p-mount twin next):
M94E and MP94E
M97HE and M97LT
ML120HE and ML120-P
V15 Type IV and V15LT
V15 Type V and V15V-P.