Brockhaus-1809: D. William Robertson
Brockhaus-1911: Balakláwa · Robertson [2] · Robertson
Herder-1854: Balaklawa · Robertson
Meyers-1905: Balakláwa · Robertson [2] · Robertson [1]
Pagel-1901: Robertson, Sir Will. Tindal · Robertson, Charles
Pierer-1857: Balaklāwa · Robertson [2] · Robertson [1]