Biographical and autobiographical information and articles, including curriculum vitae and other major documents. Includes correspondence, publications, photographs and other material relating to ESH's education, war service, awards and scholarships, personal library, and personal papers (particularly those relating to the Relief Model of Australia), as well as to his involvement with institutions and organizations including: Melbourne University; Australian Academy of Science; Geological Society of London; Royal Society of Victoria; Royal Society of London; and Geological Society of Australia.

Collection of reprints of many of ESH's published articles. Mostly separates, arranged chronologically, but includes some complete volumes.

A chronological run of CDH's appointment diaries, together with her travel diaries from various overseas trips, as well as some pocket appointment diaries used by ESH.

A variety of sketchbooks, notebooks and notepads containing field notes, sketches, and journal entries made on field trips in Australia, as well as notes, addresses and appointments recorded on overseas trips.

Copies of radio scripts, speeches, lectures and other manuscript material, some annotated. Includes preparatory notes and other associated items.

Mostly correspondence, but includes some associated material filed alphabetically. Main groupings are Early correspondence, Alphabetical files, and Alphabetical correspondence, with separate files for some major correspondents including: Dan Asthana; Emile den Tex; E.J. Heidecker; Hari Narain; E.S. Tim O'Driscoll; C.D. Ollier; R.L. Stanton; and Rowlie Twidale.

Mostly correspondence, but also notes, reprints, minutes and reports. Organized under subject headings including: Cliffy coastal profiles; Fitting boulders; Fossil fishes; Geology teaching; Hydrology; Morphotectonics; Tim O'Driscoll; Quaternary research; Shore platforms.

Notes, references, reprints, photographs, and some correspondence. Organized under subject headings including: Basins; Building stones; Cliffy coasts; Coastal features; Deformation; Earthquakes; Faults; Folds; Geology teaching; Glaciation; Igneous rocks; Jointing; Landforms; Lineaments; Lunettes; Morphotectonics; Neotectonics; Otway Ranges; Quaternary climates; Sedimentation; Shore platforms; Studley Park; Tectonics; Volcanism; Weathering.

Correspondence, reports, and other documents mostly relating to ESH's work as a geological consultant, particularly for George Wimpey & Co. and Australian Paper Manufacturers Ltd.

Correspondence, notes, reports, photographs and mementos from overseas trips. Includes: Australian Academy of Science delegation to China, 1964; Unesco missions to Egypt, Indonesia and Sri Lanka; other trips for lectures or conferences to France, India, Indonesia, Maysia and USSR.

Notes, photographs, specimen lists, mineral analyses, reprints and maps relating to ESH's research in the Marysville region of Victoria. Includes sections from ESH's PhD thesis as well as some unpublished papers.

Minutes, reports, notes and correspondence relating to the preparation of the Tectonic Map of Australia and New Guinea by the Tectonic Map Committee of the Geological Society of Victoria. Includes crorrespondence with various State Divisions.

Correspondence and notes relating to the preparation of The Physiography of Victoria, particularly the fifth edition. Includes copies of reviews, as well as many illustrations, photographs and dyelines, organized by chapter.

Agreements and correspondence relating to the preparation and revision of Elements of Structural Geology. Includes reviews, comments and corrections, as well as many illustrations and photographs, organized by chapter.

Correspondence relating to the preparation of Outlines of Structural Geology, particularly a proposed fourth edition. Includes notes, references, draft text and illustrations, all organized by chapter, as well as some reviews.

Correspondence with contributors and publishers relating to the preparation of Arid Lands: A Geographical Appraisal, as well as to a proposed new edition. Includes reviews, as well as many photographs and illustrations, organized by chapter.

Photographs of ESH and family, including a number of formal portraits. Also includes photographs taken by ESH in Europe and Northern Australia, as well as photographs relating to specific institutions, places, people or events, such as: the University of Melbourne; Wilsons Promontory; Relief Model of Australia; D.B. Asthana; Royal Society of Victoria; Royal Society of London; Unesco; China; Russia; Trikojus; Imperial College, London; India.

Photographs taken by ESH throughout Australia, particularly in Victoria, organized by region and negative number. Victorian regions include: South Central; Eastern Highlands; Coastline; Port Phillip and Westernport District; Western Highlands; Otways and Western District Plains; Western Victoria; Murray Basin Plains; Gippsland. Some are mounted in loose-leaf albums together with sketches and notes, others are in bound albums. Most are numbered according to the H/P negative index. Includes some overseas photographs.

Catalogues, lists and indexes giving details of many of ESH's geological photographs, including H/P, 35mm and 1/4 plate negatives, as well as lantern slides. Also includes many negatives in a variety of formats, organized by subject or format, such as: England 1929-1931; Deformed Graptolites, Panoramas; Morphotectonics; Relief model of Australia; Thin bedding and lamination; Structural geology and physiography; 2.25" square negatives; H/P negatives, Folding, bedding and cleavage; 1/4 plate glass negatives.

Colour slides, organized by date and place, mostly taken by ESH while on overseas trips to locations including Egypt; Spain; Beirut; United Kingdom; Netherlands; Germany, Switzerland, Austria and Italy; China; Sri Lanka; India; Iran; USSR; Yugoslavia; France; Mexico; Peru; Argentina; and Brazil.

Bibliographic information relating to structural geology, tectonics and fossil fishes, stored on index cards.

Artefacts including specimen labels, mounted sections, geological specimens, field analysis set and microscope slides.

Oversized material including illustrations, photographs and maps, particularly relating to The Physiography of Victoria, the relief model of Australia, Volcanism and contours.