Correspondence from Osbert John Radclyffe Howarth (Secretary, British Association for the Advancement of Science) informing Newberry of his appointment as President of the Anthropological Section of the British Association for the Advancement of Science for the annual meeting in 1923; suggesting he give a lecture to children on toys and a note by Newberry to say he accepted; and inviting him to accept the office of Vice-President of the Anthropological Section for the annual meeting in 1924.

Letter from Edward M. Hutchinson asking Newberry to look through his collection of Egyptian antiquities.

Correspondence from Sir John Jarvis including relating to plants and gardening.

Correspondence from Frances Jeckyll relating to plants.

Correspondence from Vera Jeyes relating to attending lectures by Newberry.

Letter from E. Alfred Jones seeking a photograph of an Egyptian goldsmith's workshop.

Letter from M.W. Keen (District Commissioner, Wadi Halfa) relating to Newberry's research on the olive and obtaining specimens.

Correspondence from Dirkran Kelekian including relating to the purchase and sale of Egyptian antiquities and the publication of his collection of scarabs and cylinders. Includes letter to Sidney Smith (British Museum) relating to the sale of cylinders and seals. Also includes draft reply from Newberry referring to the condition of his collection of antiquities after the war, 30 June 1947.

Also includes postcard of a statue of King Chefren.

Correspondence from Pahor Labib to Newberry and Mrs Newberry relating to his study. One letter is also signed by Badawi and Abo Baker.

Letter from Terrien de Lacouperie asking for information on the sesame plant in ancient Egypt.

Note:
This letter is also numbered 15

Correspondence from Charles Tandy Lamacraft (British Museum) relating to the conservation and mounting of items including glass and papyri. Also includes enclosed bills for materials and work done and letter from Thomas Cook & Son relating to the shipment of papyri (no reference number).

Correspondence from Winifred Lamb including relating to scarabs and gardening.

Correspondence from Carl Johan Lamm including relating to horticulture and photographs of Newberry's wool embroideries.

Correspondence from Ambrose Lansing (Metropolitan Museum of Art, New York) including inviting Newberry to visit, reference to Georg Steindorff, dating scarabs, and in response to an enquiry from Newberry on standards on predynastic pots.

Also includes draft reply from Newberry relating to his research on standards as featured on predynastic red-on-buff pottery (1948).

Correspondence from Hugh Last (Honorary Secretary, Egypt Exploration Society) relating to meeting Newberry in Cairo, pictures of Tell el Amarna and Beni Hasan, and Mary Jonas' retirement.

Letter from Jean Leclant relating to protodynastic vases at the Louvre Museum, Paris [in French].

Correspondence from Gordon Ambrose de Lisle Lee (1864-1927) (Heralds' College, London) relating to a Newberry family coat of arms.

Correspondence from Carl Ferdinand Friedrich and Therese Lehmann-Haupt including relating to the Chair in Greek at the University of Liverpool.

Also includes letter of thanks from Lehmann-Haupt's wife Therese to Mrs Newberry.

Note:
MSS 29/15 is also numbered A.195
MSS 29/16 is also numbered 273
MSS 29/17 is also numbered 37 (38 crossed out)
MSS 29/18 is also numbered 39

Letter from E. R. Lindsay relating to two pieces of glass sent by him to Newberry.

Note:
This letter is also numbered A.353

Correspondence from Reverend David Goodwin Loveday (Headmaster, Cranleigh School) inviting Newberry to tea.

Letter from Edwin Ernest Lowe (Secretary, The Museums Association) relating to adding Newberry to the list of associates of The Museums Association.

Correspondence from Hubert Lynes relating to Newberry's research on olive trees.

Letter from Lady Helen Lyons (wife of Sir Henry George Lyons) thanking Newberry for a book and mentioning Mr Mallet, William Garstin's private secretary, who may call on Newberry.

Correspondence from Arthur Cruttenden Mace (Metropolitan Museum of Art, New York) including relating to: excavation work in egypt, 1901; decorated predynastic pottery at the Metropolitan Museum of Art, New York including sketches of boats with ensigns on mast heads, 1909; research by Newberry on boats and the pomegranate branch, 1910; his posting to the Supply Reserve Depot in Deptford, S.E., 1917; accession of the Munich collection; apology relating to concession for the Palace of Amenhotep III; purchase of the Macgregor and Hood collections; Carter and Breasted's negotiations with the Egyptian government, 1924.

Also includes a cablegram from Lythgoe cancelling option on the MacGregor collection, 1921.

MSS 30/6 includes a few words on the back relating to boats, 1921.

Note:
MSS 30/1 is also numbered 34
MSS 30/12 is also numbered 293

Letter from P. A. Macindoe (Eton College) relating to the display of a mummy case.

Letters of introduction for Newberry to American Universities and the Immigration Office for an upcoming visit from George E. Maclean.

Letter from Mansell & Hatcher Ltd. (Orchid Importers and Growers) relating to importing Lilium nepalese. Includes note by Newberry on sourcing the plant.

Correspondence from Sir Gaston Camille Charles Maspero (1846-1916) including congratulating Newberry on finds (1900) and relating to granting permission to dig at the Palace of Amenhotep III (1901) and Akhmim (1911).

Also includes letter to Howard Carter arranging to 'see the mummies' (n.d.).

Note:
MSS 30/71 is also numbered 3
MSS 30/72 is also numbered 24
MSS 30/73 is also numbered 1
MSS 30/76 is also numbered A.32

Letter from Maxwell Tylden Masters (Editor, The Gardeners' Chronicle) thanking Newberry for an enclosure on Egyptian gardens.

Correspondence from Grace Tytus McLellan (formerly Grace de Peyster Tytus, wife of Robb de Peyster Tytus, née Henop) to Newberry and his wife.

Includes letter (MSS 30/48) relating to the death of her first husband Robb de Peyster Tytus, writing a memoir in his memory, items belonging to him from the Palace of Amenhotep III and marriage to her second husband.

Also includes Christmas card (1924) with a photograph of her house at Ashintully, Tyringham, Massachusetts in snow.

Note:
MSS30/46 is also numbered 244
MSS30/47 is also numbered 334a
MSS30/48 is also numbered 334
MSS30/49 is also numbered A.67