John Campbell : Oxford Biography Index entry

The Oxford Biography Index is an authoritative and accurate index of notable people – their names, their dates, and their fields of activity.

Oxford Biography Index entry

John Campbell

Campbell, Sir John (1780–1863), army officer in the Portuguese service

Oxford Biography Index Number 101004523 [what is this?]
http://www.oxforddnb.com/index/101004523 Primary authority: Oxford DNB

H. M. Chichester, ‘Campbell, Sir John (1780–1863)’, rev. Gordon L. Teffeteller, first published Sept 2004, 570 words

http://dx.doi.org/10.1093/ref:odnb/4523

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