Piratsky, Karl Karlovich,
"H.I.M. the Ruler and Emperor Nicholas Pavlovitch, H.I.H. the Tsarevitch Alexander Nicholaevitch..."
(1849).
Prints, Drawings and Watercolors from the Anne S.K. Brown Military Collection.
Brown Digital Repository. Brown University Library.
https://repository.library.brown.edu/studio/item/bdr:240904/