These abbreviations are employed as relevant throughout the OCVE site:

advt(s)
advertisement(s)
AFE
Austrian first edition
AmZ
Allgemeine musikalische Zeitung
ATP
album title page
b.
bar
bs
bars
c.
circa
CFC
Correspondance de Frédéric Chopin (see Bibliography)
Ch&T
Chomiński and Turło, Katalog dzieł Fryderyka Chopina (see Bibliography)
col.
column
cols.
columns
CT
caption title
CTP
common title page
EFE
English first edition
edn
edition
engr.
engraved
FFE
French first edition
FL
footline
GFE
German first edition
GMP
Gazette musicale de Paris
GW
Gazeta Warszawska
HL
headline
HT
half-title
IB
Intelligenz-Blatt (in AmZ)
IFE
Italian first edition
ITP
individual title page
KFC
Korespondencja Fryderyka Chopina (see Bibliography)
KW
Kurjer Warszawski
LH
left hand
lith.
lithographed
MlM
Musikalisch-litterarischer Monatsbericht
mm.
millimetres
mvt(s)
movement(s)
MW
Musical World
PFE
Polish first edition
p.
page
PD
publication date
pp.
pages
RD
registration date
RGMP
Revue et Gazette musicale de Paris
RH
right hand
RH/LH
right and left hands (used to describe a musical feature in both parts)
SC
sub-caption
sep.
separate
STP
series title page
TP
title page
vol.
volume
vols.
volumes
WZ
Wiener Zeitung