This volume is a combination sketchbook, diary, and scrapbook containing pencil sketches, 1911; a few diary entries describing a trip to Boston, 15-18 July 1913; and photographs, poems, and printed matter pasted in, 1902-1915. Included is a sketch of Abraham Lincoln, racist caricatures of African Americans, and drawings by Larkin published in newspapers.

This pocket diary was kept by Larkin at Georgetown and Cambridge, Massachusetts, from 25 September 1913-6 December 1914, and describes his home and family life; schoolwork; social activities, including parties and plays; and his first semester at Harvard. Larkin reviewed the plays he saw and the actors' performances and illustrated scenes from them. He also performed recitations and plays himself. Included are many sketches.

This diary, kept while Larkin was a student at Harvard, 12 October 1915-19 January 1916, describes his classes, exams, social activities, plays, sports, etc. Included are many sketches.

Included is Larkin's military draft notice, 1918, as well as miscellaneous poems, scripts, and notes, mostly undated.

This lab notebook was kept by Larkin for his Botany I class at Harvard and includes color illustrations of experiments.

Included are two manuscript copies of an original one-scene play written by Larkin.

This volume is a copy of the text of Prunella, a 1906 play by Laurence Housman and Harley Granville-Barker, handwritten and illustrated in colored pencil by Larkin as a gift for his future wife Ruth.

This volume is a printed copy of the 15th-century farce Maistre Pierre Pathelin, as translated by Richard T. Holbrook, with select pages illustrated in watercolor by Larkin.

This notebook was kept by Larkin on a trip to Europe in 1930 and contains addresses, accounts, memoranda, and copies of artworks in watercolor and ink.

This volume contains sample designs for small Christmas cards pasted in, apparently designed by Larkin, with prices for each.

This volume contains samples of embroidery patterns worked by Larkin in kindergarten, as well as other pages of artwork.

This volume contains exercises from Larkin's third-grade geography class at Lowell School, as well as later fragments of a story apparently in her husband Oliver's handwriting.

This volume contains original manuscript poems by Larkin about happiness, nature, love, and other subjects, illustrated in crayon and dedicated to her mother. Based on one poem about war, they were probably written sometime during World War I.

This diary was kept by Larkin in Paris, France, 31 July 1930-21 January 1931. Entries describe her daily activities, activities of her son Peter and husband Oliver, sightseeing, visits to art galleries and the theater, people she met, meals, and French lessons. Entries in November-December 1930 relate to Peter's hospitalization for croup and bronchitis.

Included are recipes written in other hands.

This volume contains signatures, poems, and sketches from family and friends in Georgetown, including Larkin's classmates at Georgetown High School. Included are messages from Larkin's brother Charles Ernest Larkin, with drawings, and Henry Nathan Longfellow, the son of Henry Wadsworth Longfellow.

This sketchbook is mostly blank, but contains a few pages of drawings made by Larkin at Haskell Island, Maine.

This line-a-day diary was kept by Larkin in Georgetown, 1 January 1914-20 May 1917, with gaps. Brief entries describe her daily activities and activities of family members, including her father Charles O. Larkin, her brother Charles Ernest Larkin, and her nephew Oliver; local news; her work as a schoolteacher; sewing; and volunteer work, such as making bandages, after the outbreak of World War I. The diary has no entries for 1916.

This volume contains an unfinished memoir by Larkin primarily describing her childhood and the Georgetown neighborhood where she grew up.