ND 526 G92 H4 / q : Guercino in Britain : paintings from British collections : catalogue / by Michael Helston and Tom Henry based on the researches of Denis Mahon.; BJL
1991
1
ND 526 G92 M2 : I disegni del Guercino della collezione Mahon / cura di D. Mahon.; BJL
1967
1
ND 526 G92 T9 : Drawings by Guercino from British collections : with an appendix describing the drawings by Guercino, his school and his followers in the British Museum / Nicholas Turner and Carol Plazzotta.; BJL