ad loc.

ad locum

ca.

circum

cf.

confer

et al.

et alii / et alia

etc.

et cetera

and other things;

and so forth

(so don't say, "and etc."...the "etc." already contains the "and")

et seq.

et sequens

et seqq.

et sequentes

e.g.

exampli gratia

fl.

floruit

ibid.

ibidem

i.e.

id est

id.

idem

infra

(vide infra)

loc. cit.

loco citato

n.b.

nota bene

mark well

(pay close attention to this)

op. cit.

opere citato

everywhere

(e.g. something you're researching is found throughout a whole chapter)

p.s.

post scriptum

q.v.

quod (quae) vide

which see

(which things see)

sc.

scilicet

ut dict.

ut dictum

viz.

videlicet