https://www.themorgan.org/music/manuscript/115142/527
Lecocq, Charles, Petit duc , Le petit duc : copyist's manuscript, 1878? , , Cary 325
petit ducact iilecocqcharlesduo
https://www.themorgan.org/music/manuscript/115141/83
Lecocq, Charles, Petit duc , Le petit duc : autograph manuscript, 1878? , , Cary 306
petit duclecocqcharlesactduo
https://www.themorgan.org/music/manuscript/115141/36
Lecocq, Charles, Petit duc , Le petit duc : autograph manuscript, 1878? , , Cary 306
petit duclecocqcharlesactoverture
https://www.themorgan.org/music/manuscript/115142/785
Lecocq, Charles, Petit duc , Le petit duc : copyist's manuscript, 1878? , , Cary 325
petit ducact iiilecocqcharlespas
https://www.themorgan.org/music/manuscript/115141/268
Lecocq, Charles, Petit duc , Le petit duc : autograph manuscript, 1878? , , Cary 306
petit ducact iilecocqcharlesrondo
https://www.themorgan.org/music/manuscript/115142/533
Lecocq, Charles, Petit duc , Le petit duc : copyist's manuscript, 1878? , , Cary 325
petit ducact iilecocqcharlesduo
https://www.themorgan.org/music/manuscript/115141/25
Lecocq, Charles, Petit duc , Le petit duc : autograph manuscript, 1878? , , Cary 306
petit duclecocqcharlesactoverture
https://www.themorgan.org/music/manuscript/115142/331
Lecocq, Charles, Petit duc , Le petit duc : copyist's manuscript, 1878? , , Cary 325
petit duclecocqcharlesactmon