The Complete Works, in 39 volumes (paperbound)
39 volumes, about 3700 pages. First published in 1984-88; some volumes reprinted at various times.
Volumes 1-18, the guitar solos
Volumes 19-24, the guitar duets
Volumes 25-32, the guitar concerti
Volume 33, works for guitar and string quartet
Volume 34, works for guitar and keyboard
Volumes 35 and 36, works for guitar and other instruments
Volumes 37 and 38, vocal works
Guitar solos:
The Complete Works, Volume 1 (Studio per la Chitarra)
The Complete Works, Volume 2 (opp. 2-12)
The Complete Works, Volume 3 (opp. 14-22)
The Complete Works, Volume 4 (opp. 24b-34)
The Complete Works, Volume 5 (opp. 37-44)
The Complete Works, Volume 6 (opp. 45-50)
The Complete Works, Volume 7 (opp. 51-60)
The Complete Works, Volume 8 (opp. 61-73)
The Complete Works, Volume 9 (opp. 78-97)
The Complete Works, Volume 10 (opp. 98-102)
The Complete Works, Volume 11 (opp. 103-110)
The Complete Works, Volume 12 (opp. 111-125)
The Complete Works, Volume 13 (the six Rossiniane, complete)
The Complete Works, Volume 14 (opp. 128-145)
The Complete Works, Volume 15 (opp. 147-150)
The Complete Works, Volume 16 (seven works without opus number)
The Complete Works, Volume 17 (seven operatic works without opus number)
The Complete Works, Volume 18 (arrangements from Semiramide)
Guitar duets:
The Complete Works, Volume 19 (six sets of Ländler)
The Complete Works, Volume 20 (four works)
The Complete Works, Volume 21 (three works)
The Complete Works, Volume 22 (four works)
The Complete Works, Volume 23 (three operatic overtures arranged by Giuliani for two guitars)
The Complete Works, Volume 24 (four overtures by Rossini arranged by Giuliani for two guitars)
Concertos:
The Complete Works, Volume 25 (Concerto op. 30, version for guitar and full orchestra)
The Complete Works, Volume 26 (Concerto op. 30, version for guitar and string quartet)
The Complete Works, Volume 27 (Concerto op. 30, arranged by Diabelli for guitar and piano)
The Complete Works, Volume 28 (Concerto op. 36, version for guitar and string orchestra or quartet)
The Complete Works, Volume 29 (Concerto op. 36, arranged by Diabelli for guitar and piano)
The Complete Works, Volume 30 (Concerto op. 70, version for guitar and full orchestra)
The Complete Works, Volume 31 (Concerto op. 70, version for guitar and string quartet)
The Complete Works, Volume 32 (Concerto op. 70, arranged by Diabelli for guitar and piano)
Other works:
The Complete Works, Volume 33 (Guitar and string quartet)
The Complete Works, Volume 34 (Guitar and keyboard)
The Complete Works, Volume 35 (Guitar and flute or violin)
The Complete Works, Volume 36 (Guitar and flute or violin)
The Complete Works, Volume 37 (Vocal works)
The Complete Works, Volume 38 (Vocal works)
The Complete Works, Volume 39 (Introduction and Index volume)