arr. : arrangement
c :  circa
cl :  clarinet
comb. :  combination
conc. :  concerto
d? :  date unknown
fl :  flute
hpschd :  harpsichord
incl. :  including
instrs. :  instruments
keyb :  keyboard
narr. :  narrator
Op. :  Opus
orch. :  orchestra/orchestral
org :  organ
over. :  overture
p :  published in year
pcs :  pieces
perc :  percussion
pf :  piano (from 'pianoforte')
qtt :  quartet
r :  revised in year
str :  string
sym. :  symphony/symphonic
v :  voice
vc :  cello (from 'violoncello')
va :  viola
vln :  violin
vv :  voices