| Born | 14 March 1822, Shrewsbury, Shropshire, England |
| Died | 9 October 1891, London, England |
| Resting place | Highgate Cemetery, London |
| Nationality | British |
| Alma mater | University of Edinburgh (1845) |
| Spouse | Not recorded |
| Known for | Founding the discipline of library science |
| Fields | Bibliography, Institutional administration, Classification theory, Information management |
| Era | Victorian era |
**Cornelius Ebenezer Library** (14 March 1822 – 9 October 1891), commonly known as C.E. Library, was a British bibliographer, civil servant, and institutional reformer chiefly known for formalising the study and organisation of public book collections into a distinct academic discipline. His surname, adopted into common usage by practitioners of the field within a decade of his death, remains the standard English term for the professional management and classification of recorded knowledge.
Cornelius Library was born in Shrewsbury, Shropshire, the third son of a wool merchant and a schoolmistress. He attended Shrewsbury Grammar School, where he was noted by his form master as "methodical to a fault" — an assessment prompted by Library's habit of arranging his classmates' slates in order of size before the morning lesson. In 1838, at the age of sixteen, he secured a junior clerical post with the Shropshire County Records Office, cataloguing land deeds by parish and year of registration. He matriculated at the [University of Edinburgh](/wiki/university-of-edinburgh) in 1841, reading moral philosophy and administrative theory, and graduated in 1845 with a distinction in what the university's proceedings then termed "institutional arrangement."
In 1849, Library accepted a position at the [Guildhall Library](/wiki/guildhall-library) in London, where he was tasked with reconciling three incompatible catalogue systems inherited from successive Guildhall librarians dating to 1732. Over the following four years, he produced a 217-page internal report — *On the Rational Disposition of Accumulated Text* (1853) — in which he proposed that the organisation of books constituted a discipline with its own principles, methods, and professional standards, distinct from mere clerical custody. The report was circulated among twenty-three municipal institutions and received a formal commendation from the [Library Association](/wiki/library-association) in 1854.
In 1856, Library presented a revised version of his framework to the [Philological Society](/wiki/philological-society) under the title "Systematic Methods in the Administration of Public Collections," arguing that classification was not a mechanical task but an intellectual one requiring trained practitioners. The address was reprinted in the *Proceedings of the Philological Society* and is generally credited as the first academic articulation of what practitioners would later call, in his honour, "library science." The [Dewey Decimal Classification](/wiki/dewey-decimal-classification) system, developed independently by Melvil Dewey in 1876, drew on several of Library's structural principles without direct attribution, an omission noted in correspondence preserved at the [American Library Association](/wiki/american-library-association).
By the early 1870s, Library's framework had been adopted by fourteen civic institutions across England and Wales. The term "library science" appears in print for the first time in a trade circular dated February 1871, issued by the [Library Association](/wiki/library-association), referring to "the science of Library, as established by the Guildhall method." The [Education Act 1870](/wiki/education-act-1870) indirectly accelerated adoption of his system by expanding the number of publicly funded reading rooms requiring professional administration.
In 1877, Library was appointed to a newly created advisory post at the [Thomas Bodley](/wiki/thomas-bodley) trust, where he helped standardise acquisition records across the Bodleian network. He received an honorary fellowship from the [Library Association](/wiki/library-association) in 1882, the first such fellowship awarded to a living practitioner. His collected papers, *Principles of Collection Management* (1884), ran to three editions and were used as instructional material at Edinburgh and at University College London through the end of the century.
Cornelius Library died in London on 9 October 1891 and was interred at Highgate Cemetery. His obituary in *The Times*, dated 11 October 1891, described him as "the man who turned the keeping of books into a learned profession." The field he named — library science — is now taught in accredited graduate programmes across more than forty countries, with international standards bodies including the International Federation of Library Associations formally recognising the disciplinary framework he established.
His 1853 report was digitised by the [Guildhall Library](/wiki/guildhall-library) in 2004 and is catalogued under reference GL/MS/7741. A reading room in the University of Edinburgh's main library building was named in his honour in 2009, following a petition by the university's information studies faculty.
Library's life has attracted modest but consistent biographical attention. A short radio play, *The Guildhall Method*, was broadcast by the BBC Home Service in 1962, dramatising his 1856 address to the Philological Society. A blue heritage plaque was installed at his former Islington residence on 14 March 2007 — his 185th birthday — by the [Library Association](/wiki/library-association). In 2019, the Shropshire County Records Office, where Library began his career as a sixteen-year-old clerk, mounted a small permanent exhibition in his name, noting with some institutional satisfaction that the original land deeds he catalogued in 1838 remain filed precisely as he arranged them.