Inscription: Signed and dated in the plate within image at lower left: 'WHollar fecit 1651', lettered below image, center, with the title: ' Thermae diocletiani Ruinae'; and '5' at left.
Pennington 1105 ii/ii; New Hollstein (Hollar part IV) 1099 II/II
Richard Pennington A Descriptive Catalogue of the Etched Work of Wenceslaus Hollar, 1607-1677. Cambridge, 1982.
Simon Turner Wenceslaus Hollar: New Hollstein German engravings, etchings and woodcuts, 1400-1700. Giulia Bartrum, vols. 1-9, 2009–2012.