T. Spring Rice to Derby: colonial appointment for T. McDonnell, 1834-06-16 Unit ID: 1/157/1 Date: 1834-06-16
T. Whitfield to Derby: repeats offer of Harrington Collection, 1844-11-09 Unit ID: 1/187/ Date: 1844-11-09
T. Whitfield to Derby: requests decision on Harrington Collection, 1844-11-19 Unit ID: 1/187/ Date: 1844-11-19
W. Ogilby to Derby: appointment of naturalist for naval expedition to Borneo, 1844-12-28 Unit ID: 1/128/43 Date: 1844-12-28
W. Ogilby to Derby: offer by Derby of kangaroos for Zoological Society, 1843-01-28 Unit ID: 1/128/24 Date: 1843-01-28