A nicer copy of Georg Adam's "Kosaken. Baskiren. Kalmüken":

https://repository.library.brown.edu/studio/item/bdr:251153/

All six plates can be seen here:

https://repository.library.brown.edu/studio/search_results/?search_terms=search_terms%3A%22%206%20col.%20engr.%20pl.%20by%20and%20after%20Adam%22&scope=Search

Garde Cosak. Officier. Gemeiner Cosak by Christian Gottfried Heinrich Geissler, 1770-1844:

https://repository.library.brown.edu/studio/item/bdr:248352/

Two prints by by Bartsch and Geissler after Kobell:

.Halt of Russian Cossacks:
. https://repository.library.brown.edu/studio/item/bdr:247033/

.Russian cossacks on march:
. https://repository.library.brown.edu/studio/item/bdr:247036/

For other plates in the Brown Collection, see:

https://repository.library.brown.edu/studio/search_results/?search_terms=search_terms%3Acossacks&scope=Search