Fischer von Waldheim, G. (1821-1822). Entomographia imperii Russici. Auctoritate societatis Caesareae Mosquensis naturae scrutatorum collecta et in lucem edita. Volumen I. Cum xxvi tabulis aeneis. Augusti Semen, Mosquae [= Moscow], viii, 210 pp. ["1820-1822" on title page; mostly published in 1822, but some plates and at least 36 pages available in November in 1821].
Entomographia imperii Russici. Auctoritate societatis Caesareae Mosquensis naturae scrutatorum collecta et in lucem edita. Volumen I. Cum xxvi tabulis aeneis.
Augusti Semen, Mosquae [= Moscow], viii, 210 pp. ["1820-1822" on title page; mostly published in 1822, but some plates and at least 36 pages available in November in 1821]