| A |
| University of Aberdeen Libraries | 08/02/2021 | abn |
| Aberystwyth University Library | 24/03/2023 | abr |
| Aga Khan Library, London | 27/08/2020 | iis |
| University of the Arts, London | 01/12/2022 | ual |
| Aston University Library | 19/12/2019 | ast |
| B |
| Bangor University Library | 24/03/2023 | ban |
| University of Bath Library | 25/03/2023 | bat |
| Birkbeck, University of London Library | 15/03/2023 | bbk |
| Birmingham City University | 19/07/2021 | bcu |
| University of Birmingham Libraries | 01/05/2019 | bir |
| Bishop Grosseteste University | 28/02/2023 | bgu |
| Bishopsgate Institute | 29/07/2022 | bsh |
| Bowes Museum | 08/12/2021 | bowes |
| University of Bradford | 01/03/2023 | bra |
| University of Bristol Libraries | 03/03/2023 | bri |
| British Library | 29/03/2023 | bli |
| British Museum Library | 28/10/2022 | brm |
| British School at Athens | 03/05/2022 | bsa |
| British School at Rome Library and Archive | 24/03/2023 | bsr |
| Brunel University London Library | 24/03/2023 | bru |
| C |
| University of Cambridge Libraries | 24/03/2023 | cam |
| University of Cambridge, King's College | 14/01/2020 | kcc |
| University of Cambridge: Trinity College | 16/02/2023 | tcc |
| Cardiff Metropolitan University | 25/03/2023 | cmu |
| Cardiff University Libraries | 24/03/2023 | cdf |
| Cathedral Libraries Catalogue (pre-1701 European books) | 01/05/2020 | hpb |
| University of Chester Libraries | 20/01/2023 | chr |
| Chetham's Library | 11/05/2018 | che |
| University of Chichester | 29/03/2023 | chi |
| City, University of London | 28/03/2023 | cul |
| Courtauld Institute of Art Library | 20/03/2020 | cia |
| Coventry University | 22/03/2023 | cvn |
| Cranfield University Libraries | 16/03/2023 | cra |
| D |
| Devon & Exeter Institution | 28/03/2023 | dei |
| Directory of Open Access Books | 17/10/2022 | doab |
| Directory of Open Access Journals | 27/03/2023 | doaj |
| University of Dundee | 25/03/2023 | dun |
| Durham Cathedral Library | 08/12/2021 | cath |
| Durham University Library | 08/12/2021 | dur |
| E |
| University of East Anglia Library | 01/03/2023 | uea |
| Edge Hill University | 21/04/2020 | ehu |
| University of Edinburgh Libraries | 26/03/2023 | edi |
| Edinburgh Napier University | 25/03/2023 | nap |
| Energy Institute | 01/02/2023 | eni |
| University of Essex Library | 23/07/2019 | esx |
| Eton College Library | 17/03/2022 | etn |
| University of Exeter Library | 28/03/2023 | ext |
| F |
| The Foundling Museum | 01/03/2023 | fou |
| French Institute | 22/07/2022 | fre |
| G |
| The Geological Society Library | 26/11/2020 | geo |
| German Historical Institute London | 20/09/2022 | ghi |
| Glasgow Caledonian University | 25/03/2023 | gcu |
| University of Glasgow Library | 26/03/2023 | gla |
| Glasgow School of Art Library | 03/03/2023 | gsa |
| H |
| Hathi Trust Digital Library | 27/03/2023 | hat |
| Henry Moore Institute Library | 12/12/2022 | hmi |
| Heythrop Library | 03/01/2023 | hyl |
| Historic England Library | 01/02/2023 | hen |
| Historical Texts | 24/03/2020 | jht |
| The Honourable Society of the Middle Temple Library | 14/03/2022 | mdt |
| University of Huddersfield Library | 25/03/2023 | hud |
| University of Hull | 28/03/2023 | hll |
| I |
| Imperial College London Library | 25/03/2023 | imp |
| Institute of Advanced Legal Studies Library | 03/01/2023 | ials |
| Institute of Classical Studies Library | 03/01/2023 | iklas |
| Institute of Historical Research Library | 03/01/2023 | ihr |
| Institute of Naval Medicine | 02/07/2021 | inm |
| Institution of Civil Engineers | 08/11/2017 | ice |
| The Institution of Engineering and Technology | 28/03/2023 | iet |
| Institution of Mechanical Engineers | 06/02/2023 | ime |
| Institution of Structural Engineers | 17/11/2021 | ise |
| International Anthony Burgess Foundation | 16/02/2023 | ant |
| J |
| Journal Archives | 28/01/2021 | jja |
| K |
| Keele University | 26/03/2023 | kee |
| King's College London Libraries & Collections | 25/03/2023 | kcl |
| Kingston University Library | 27/03/2023 | kgu |
| L |
| Lambeth Palace Library | 01/03/2022 | lam |
| Lancaster University | 29/03/2023 | lan |
| Leadhills Miners' Library | 07/11/2018 | ldh |
| Leeds Arts University | 27/03/2023 | lau |
| Leeds Beckett University Library | 12/02/2020 | lbk |
| Leeds Libraries | 22/03/2023 | lpl |
| University of Leeds Library | 26/03/2023 | lee |
| University of Leicester Library | 25/03/2023 | lei |
| Leo Baeck College | 28/04/2022 | lbc |
| The Linnean Society of London | 24/02/2023 | lin |
| Liverpool John Moores University | 26/03/2023 | ljmu |
| University of Liverpool Library | 12/08/2022 | liv |
| The London Library | 15/03/2023 | lnl |
| London Metropolitan University Library | 01/03/2023 | lmu |
| London School of Hygiene and Tropical Medicine | 01/03/2023 | lsh |
| LSE Library | 24/03/2023 | lse |
| M |
| University of Manchester Library | 25/03/2023 | man |
| Manchester Metropolitan University | 27/03/2023 | mmu |
| Manchester Public Libraries | 20/02/2019 | mpl |
| Museum of London | 11/01/2023 | mol |
| Museum of the Order of St. John | 15/12/2020 | mosj |
| N |
| National Aerospace Library | 31/05/2019 | nal |
| National Army Museum | 11/08/2022 | nam |
| National Gallery Library | 03/08/2021 | ngl |
| National Library of Scotland | 26/03/2023 | nls |
| National Library of Wales / Llyfrgell Genedlaethol Cymru | 25/03/2023 | nlw |
| National Maritime Museum - Caird Library & Archive | 24/06/2022 | nmm |
| National Museum of the Royal Navy | 22/07/2021 | nmrn |
| National Museums Scotland Library | 07/10/2021 | nms |
| National Portrait Gallery Library | 10/11/2022 | npg |
| National Railway Museum | 26/03/2023 | nrm |
| National Trust Libraries | 10/02/2023 | ntr |
| Natural History Museum Library | 22/03/2023 | nhm |
| Newcastle University Libraries | 17/03/2023 | ncl |
| Newman University | 03/08/2022 | nmn |
| NHS Wales Libraries | 24/03/2023 | nhswl |
| Northumbria University Library | 25/03/2023 | nbr |
| University of Nottingham Libraries | 25/03/2023 | ntm |
| O |
| Open University Library | 02/03/2023 | opn |
| Oxford Brookes University | 10/03/2023 | oxb |
| University of Oxford Libraries | 27/03/2023 | oxf |
| P |
| Paul Mellon Centre Library | 24/02/2023 | pmc |
| University of Portsmouth | 29/03/2023 | pmt |
| Q |
| Queen Margaret University Library | 21/03/2023 | qmg |
| Queen Mary University of London Library | 17/12/2021 | qmu |
| Queen's University Belfast | 20/06/2022 | qub |
| R |
| University of Reading Library | 01/03/2023 | rdg |
| Robert Gordon University | 25/03/2023 | rgu |
| Rothamsted Research | 01/03/2023 | rot |
| Royal Academy of Arts | 23/08/2019 | raa |
| Royal Academy of Music Library | 15/03/2023 | ram |
| Royal Asiatic Society | 29/03/2019 | ras |
| Royal Astronomical Society Library | 27/10/2022 | rast |
| Royal Botanic Gardens, Kew | 22/08/2018 | kew |
| Royal College of Art | 26/03/2023 | rcart |
| Royal College of Music Library | 15/03/2023 | rcm |
| Royal College of Nursing Library and Archive Service | 01/12/2022 | rcn |
| Royal College of Physicians and Surgeons of Glasgow | 02/03/2023 | rcg |
| Royal College of Physicians of Edinburgh | 22/11/2019 | rcpe |
| Royal College of Physicians of London | 28/01/2023 | rpl |
| Royal College of Psychiatrists Library | 01/03/2023 | rcp |
| Royal College of Surgeons of Edinburgh | 31/01/2019 | rcse |
| Royal College of Surgeons of England Library | 13/02/2023 | rcs |
| Royal Holloway, University of London | 25/03/2023 | rhl |
| Royal Horticultural Society Libraries | 25/03/2023 | rhs |
| Royal Library, Royal Collection | 03/10/2022 | rct |
| Royal Observatory of Edinburgh | 26/03/2023 | roedi |
| Royal Society Library | 19/01/2023 | rys |
| Royal Society of Medicine | 01/03/2023 | rsm |
| Royal Welsh College of Music & Drama / Coleg Brenhinol Cerdd a Drama Cymru | 25/03/2023 | wmd |
| S |
| Sainsbury Institute for the Study of Japanese Arts and Cultures | 12/01/2023 | sij |
| University of St Andrews Library | 03/03/2023 | sta |
| St. George's Chapel Library | 19/01/2018 | sgc |
| University of Salford | 21/02/2020 | sfd |
| Salvation Army International Heritage Centre | 06/08/2020 | saa |
| SASA Library | 29/11/2022 | sasa |
| Science Museum Library | 18/03/2022 | sci |
| Scottish Blood Transfusion Service | 21/02/2023 | sbt |
| Scottish Ornithologists' Club (SOC) | 17/09/2019 | soc |
| Scottish Poetry Library | 10/01/2023 | spl |
| Senate House Library, University of London | 03/01/2023 | lon |
| Sheffield Hallam University Library | 25/03/2023 | shu |
| University of Sheffield Library | 25/03/2023 | she |
| SOAS Library, University of London | 16/03/2023 | soa |
| Society of Antiquaries of London Library | 28/03/2023 | sal |
| Society of Friends | 04/10/2017 | sof |
| Society of Genealogists | 08/03/2021 | sog |
| Solent University | 26/03/2023 | sol |
| University of South Wales | 20/11/2022 | usw |
| University of Southampton Library | 28/03/2023 | sth |
| Spurgeon's College | 02/03/2023 | spu |
| University of Strathclyde Library | 27/03/2023 | scd |
| University of Sunderland | 26/03/2023 | usu |
| University of Surrey | 24/03/2023 | sur |
| University of Sussex Library | 27/03/2023 | sus |
| Swansea University Libraries | 25/03/2023 | swa |
| T |
| Tate Library (Tate Britain) | 15/03/2023 | ttg |
| The National Archives Library | 21/08/2018 | tna |
| Trinity College Dublin Library | 05/09/2021 | tcd |
| Trinity Laban Conservatoire of Music and Dance | 14/02/2023 | tlc |
| University of Wales Trinity Saint David | 17/03/2023 | tsd |
| U |
| UCL Library Services | 25/03/2023 | ucl |
| University for the Creative Arts | 23/03/2023 | uca |
| Ushaw College | 08/12/2021 | ushaw |
| V |
| Victoria and Albert Museum libraries | 06/03/2023 | vam |
| W |
| Wallace Collection Library | 03/01/2023 | wcbir |
| Warburg Institute Library | 03/01/2023 | warb |
| University of Warwick Library | 20/10/2022 | war |
| Wellcome Library | 27/11/2022 | wel |
| University of West London | 15/02/2022 | uwl |
| University of Westminster | 25/03/2023 | uwm |
| The Wiener Holocaust Library | 07/11/2019 | wnr |
| Winchester College Fellows' Library | 17/10/2019 | win |
| Wrexham Glyndwr University | 24/03/2023 | wgu |
| Y |
| University of York Libraries | 26/03/2023 | yrk |
| York Minster | 26/03/2023 | ymi |
| Z |
| Zoological Society of London | 26/11/2019 | zsl |
