Diary of J.F. Rock Volume 4; Lan-Chou to Kokonor Babo, 1925
The diary is entitled “Kansu Province, Diary Vol. IV of Joseph F. Rock Director Harvard Arnold Arboretum Asiatic Expedition from August 31st in part to November 16th 1925. From Hsiangtang to Kokonor Babo and return to Sining.
Includes sheet of Chinese writing on Chinese paper and loose notes, including lists [of plants? Photographs?]

Diary of Joseph F.C. Rock; May 1938 to February 1940; including:

• List of trunks in Hong Kong (p.2);
• Index to Ceremonies – The Nv ceremonies or funerals, followed by volume and page references, but unclear as to what they refer to – it does not appear to be the diaries. (p.3)
• Books sent to Kelly and Walsh to be rebound (p.4)
• University of Hawaii books(?) (p.5)
• ‘Sent to Ye Olde Printerie’ (p.6)
• Addresses (p.7)
• ‘Left in Yunnan’; addresses (p.8)
• Trunks left in Yunnanfu (p.9-12)
• Diary – May 20 1938 (Hanoi) – May 24 1938 (pp.13-36)
• pp.37-100 are blank, (small pressed flower between pp.58-59)
• 5 August 1938 – 28 February 1940 (pp.101-168) includes 3 pressed leaf specimens sellotaped into the diary (p.160, p.163)
• Diary is blank between pp. 169-297 save for some more pressed plants: p189 (v. fragile); p.239 ‘Rapperswil; p.255 Davos Pass 26th June with Robert; p.263 Davos Pass with Robert, June 26, [19]38; p.271, St Bernhard; p.285 Davos Pass
• pp.298-299, Chinese text; ‘wants yellow eye glasses, also a watch’ Wrote Mr (?) Meyer that before leaving Honolulu will wire “Leaving” Rock. He will then wire Miss Leburten(?) this message.

Contains the original diaries of G. Sherriff, detailing his expeditions with Frank Ludlow in Bhutan and Tibet (1933-1934, 1936-1938, 1940, 1949). There are loose leaf sheets interleaved between the pages of some of the diaries. These contain a variety of letters, clippings, itineraries, plant lists and cost lists.

Some diaries contained notes left in place by Dr. HR Fletcher when researching for his book 'A Quest Of Flowers: The Plant Explorations of Frank Ludlow and George Sherriff" (1976).

Diary of J.F. Rock Volume 5; Hsi-ning to Cho-ni, 1925-1926 entitled Diary Vol V of Joseph F. Rock, Director Arnold Arboretum Harvard Expedition, from Sining [Hsi-ning] to Choni [Cho-ni] via Shunhoa [Hsun-hua] Labrang; November 21st 1925 to April 22nd 1926
Includes New Year 1945-1946
Includes loose sheet of Chinese writing

Diary of Joseph F.C. Rock Volume 7; Cho-ni to Wantsang 1926-1927 entitled Diary Vol.VII, Joseph F. Rock, Director Arnold Arboretum Harvard Expedition to West China and Tibet from August 24th 1926 to February 28th 1927.
Includes loose notes, pressed flower and Tibetan script

Diary of Joseph F.C. Rock Volume 11 [12 on spine]; Li-chiang to K’u-lu and Yung-ning, 1928-1929, entitled ‘Diary of Joseph F. Rock Volume XI, Journey from Nguluko – Likiang to Tatsienlu from November 8th 1928 to February 9th 1929.’
There is a hand drawn map on one of the pages.

Diary of Joseph F.C. Rock Volume 13 [14 on spine]; Minya Konka to K’u-lu and Yung-ning, 1929 entitled 'Diary of Joseph F. Rock, from June 5th 1929 to August 31st 1929, Volume XIII [scored out] XIV'.
Some of the pages contain hand drawn maps.