| A |
| University of Aberdeen Libraries | 14/11/2019 | abn |
| Aberystwyth University Library | 30/07/2021 | abr |
| Aga Khan Library, London | 27/08/2020 | iis |
| University of the Arts, London | 01/08/2021 | ual |
| Aston University Library | 02/12/2019 | ast |
| B |
| Bangor University Library | 30/07/2021 | ban |
| University of Bath Library | 31/07/2021 | bat |
| Birkbeck, University of London Library | 14/07/2021 | bbk |
| Birmingham City University | 19/07/2021 | bcu |
| University of Birmingham Libraries | 01/05/2019 | bir |
| Bishop Grosseteste University | 25/07/2020 | bgu |
| Bishopsgate Library | 01/08/2017 | bsh |
| University of Bradford | 07/07/2021 | bra |
| University of Bristol Libraries | 29/04/2021 | bri |
| British Library | 21/07/2021 | bli |
| British Museum Library | 10/03/2020 | brm |
| British School at Athens | 20/07/2021 | bsa |
| British School at Rome | 16/01/2020 | bsr |
| Brunel University London Library | 30/07/2021 | bru |
| C |
| University of Cambridge Libraries | 02/08/2021 | cam |
| University of Cambridge, King's College | 14/01/2020 | kcc |
| University of Cambridge: Trinity College | 02/02/2021 | tcc |
| Cardiff Metropolitan University | 31/07/2021 | cmu |
| Cardiff University Libraries | 30/07/2021 | cdf |
| Cathedral Libraries Catalogue (pre-1701 European books) | 01/05/2020 | hpb |
| Chetham's Library | 11/05/2018 | che |
| City, University of London | 03/08/2021 | cul |
| Courtauld Institute of Art Library | 20/03/2020 | cia |
| Coventry University | 28/07/2021 | cvn |
| Cranfield University Libraries | 16/07/2021 | cra |
| D |
| Devon & Exeter Institution | 03/08/2021 | dei |
| Directory of Open Access Books | 20/04/2020 | doab |
| Directory of Open Access Journals | 02/08/2021 | doaj |
| University of Dundee | 31/07/2021 | dun |
| Durham Cathedral Library | 28/07/2021 | cath |
| Durham University Library | 28/07/2021 | dur |
| E |
| University of East Anglia Library | 14/08/2019 | uea |
| Edge Hill University | 21/04/2020 | ehu |
| University of Edinburgh Libraries | 01/08/2021 | edi |
| Edinburgh Napier University | 31/07/2021 | nap |
| Energy Institute | 25/02/2019 | eni |
| University of Essex | 23/07/2019 | esx |
| Eton College Library | 24/01/2020 | etn |
| University of Exeter Library | 03/08/2021 | ext |
| F |
| The Foundling Museum | 07/04/2021 | fou |
| French Institute | 27/03/2019 | fre |
| G |
| The Geological Society Library | 26/11/2020 | geo |
| Glasgow Caledonian University | 31/07/2021 | gcu |
| University of Glasgow Library | 16/03/2020 | gla |
| Glasgow School of Art Library | 30/07/2020 | gsa |
| H |
| Hathi Trust Digital Library | 02/08/2021 | hat |
| Henry Moore Institute Library | 11/03/2020 | hmi |
| Historic England Library | 09/07/2019 | hen |
| Historical Texts | 24/03/2020 | jht |
| University of Huddersfield Library | 31/07/2021 | hud |
| University of Hull | 03/08/2021 | hll |
| I |
| Imperial College London Library | 31/07/2021 | imp |
| Institute of Advanced Legal Studies Library | 02/08/2021 | ials |
| Institute of Classical Studies Library | 02/08/2021 | iklas |
| Institute of Historical Research Library | 02/08/2021 | ihr |
| Institute of Naval Medicine | 02/07/2021 | inm |
| Institution of Civil Engineers | 08/11/2017 | ice |
| The Institution of Engineering and Technology | 30/01/2020 | iet |
| Institution of Mechanical Engineers Library | 14/04/2020 | ime |
| International Anthony Burgess Foundation | 24/12/2020 | ant |
| J |
| Journal Archives | 28/01/2021 | jja |
| K |
| Keele University | 01/08/2021 | kee |
| King's College London Library | 28/11/2019 | kcl |
| L |
| Lambeth Palace Library | 01/04/2020 | lam |
| Leadhills Miners' Library | 07/11/2018 | ldh |
| Leeds Beckett University Library | 12/02/2020 | lbk |
| University of Leeds Library | 01/08/2021 | lee |
| University of Leicester Library | 31/07/2021 | lei |
| The Linnean Society of London | 23/06/2021 | lin |
| Liverpool John Moores University | 01/08/2021 | ljmu |
| University of Liverpool Library | 04/08/2021 | liv |
| The London Library | 13/03/2020 | lnl |
| London Metropolitan University Library | 07/01/2020 | lmu |
| London School of Hygiene and Tropical Medicine | 01/08/2021 | lsh |
| LSE Library | 30/07/2021 | lse |
| M |
| University of Manchester Library | 31/07/2021 | man |
| Manchester Public Libraries | 20/02/2019 | mpl |
| Museum of the Order of St. John | 15/12/2020 | mosj |
| N |
| National Aerospace Library | 31/05/2019 | nal |
| National Gallery Library | 01/02/2021 | ngl |
| National Library of Scotland | 01/08/2021 | nls |
| National Library of Wales / Llyfrgell Genedlaethol Cymru | 31/07/2021 | nlw |
| National Museum of the Royal Navy | 22/07/2021 | nmrn |
| National Museums Scotland Library | 05/02/2021 | nms |
| National Portrait Gallery Library | 19/07/2017 | npg |
| National Railway Museum | 01/08/2021 | nrm |
| National Trust Libraries | 23/03/2020 | ntr |
| Natural History Museum Library | 22/07/2021 | nhm |
| Newcastle University Libraries | 15/07/2021 | ncl |
| Newman University | 04/08/2021 | nmn |
| NHS Wales Libraries | 30/07/2021 | nhswl |
| Northumbria University Library | 31/07/2021 | nbr |
| University of Nottingham Libraries | 31/07/2021 | ntm |
| O |
| Open University Library | 02/08/2021 | opn |
| Oxford Brookes University | 13/08/2020 | oxb |
| University of Oxford Libraries | 02/08/2021 | oxf |
| P |
| Paul Mellon Centre Library | 21/05/2021 | pmc |
| University of Portsmouth | 04/08/2021 | pmt |
| Q |
| Queen Margaret University Library | 17/12/2019 | qmg |
| Queen Mary University of London Library | 20/08/2020 | qmu |
| Queen's University Belfast | 01/07/2021 | qub |
| R |
| University of Reading Library | 06/03/2020 | rdg |
| Robert Gordon University | 31/07/2021 | rgu |
| Rothamsted Research | 01/04/2020 | rot |
| Royal Academy of Arts | 23/08/2019 | raa |
| Royal Academy of Music Library | 28/07/2021 | ram |
| Royal Asiatic Society | 29/03/2019 | ras |
| Royal Botanic Gardens, Kew | 22/08/2018 | kew |
| Royal College of Music Library | 15/07/2021 | rcm |
| Royal College of Nursing Library and Archive Service | 01/03/2021 | rcn |
| Royal College of Physicians and Surgeons of Glasgow | 02/08/2021 | rcg |
| Royal College of Physicians of Edinburgh | 22/11/2019 | rcpe |
| Royal College of Physicians of London | 28/07/2021 | rpl |
| Royal College of Psychiatrists Library | 24/09/2020 | rcp |
| Royal College of Surgeons of Edinburgh | 31/01/2019 | rcse |
| Royal College of Surgeons of England Library | 14/06/2021 | rcs |
| Royal Holloway, University of London | 31/07/2021 | rhl |
| Royal Horticultural Society Libraries | 25/07/2021 | rhs |
| Royal Library, Royal Collection | 01/04/2021 | rct |
| Royal Observatory of Edinburgh | 01/08/2021 | roedi |
| Royal Society Library | 03/07/2019 | rys |
| Royal Society of Medicine | 01/08/2021 | rsm |
| Royal Welsh College of Music & Drama / Coleg Brenhinol Cerdd a Drama Cymru | 31/07/2021 | wmd |
| S |
| Sainsbury Institute for the Study of Japanese Arts and Cultures | 14/08/2019 | sij |
| University of St Andrews Library | 15/04/2021 | 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 | 13/07/2021 | sasa |
| Science Museum Library | 17/03/2021 | sci |
| Scottish Blood Transfusion Service | 21/05/2019 | sbt |
| Scottish Ornithologists' Club (SOC) | 17/09/2019 | soc |
| Scottish Poetry Library | 15/04/2020 | spl |
| Senate House Library, University of London | 02/08/2021 | lon |
| Sheffield Hallam University Library | 31/07/2021 | shu |
| University of Sheffield Library | 31/07/2021 | she |
| SOAS Library, University of London | 13/07/2021 | soa |
| Society of Antiquaries of London Library | 28/07/2021 | sal |
| Society of Friends | 04/10/2017 | sof |
| Society of Genealogists | 08/03/2021 | sog |
| Solent University | 01/08/2021 | sol |
| University of South Wales | 23/05/2021 | usw |
| University of Southampton Library | 01/08/2021 | sth |
| University of Strathclyde Library | 02/08/2021 | scd |
| University of Sunderland | 11/02/2021 | usu |
| University of Surrey | 30/07/2021 | sur |
| University of Sussex Library | 02/08/2021 | sus |
| Swansea University Libraries | 31/07/2021 | swa |
| T |
| Tate Library (Tate Britain) | 21/06/2021 | ttg |
| The National Archives Library | 21/08/2018 | tna |
| Trinity College Dublin Library | 23/06/2021 | tcd |
| Trinity Laban Conservatoire of Music and Dance | 22/06/2021 | tlc |
| University of Wales Trinity Saint David | 30/07/2021 | tsd |
| U |
| UCL Library Services | 31/07/2021 | ucl |
| University for the Creative Arts | 29/07/2021 | uca |
| Ushaw College | 28/07/2021 | ushaw |
| V |
| Victoria and Albert Museum libraries | 17/03/2020 | vam |
| W |
| Wallace Collection Library | 02/08/2021 | wcbir |
| Warburg Institute Library | 02/08/2021 | warb |
| University of Warwick Library | 15/12/2020 | war |
| Wellcome Library | 04/07/2021 | wel |
| University of West London | 16/07/2021 | uwl |
| University of Westminster | 31/07/2021 | uwm |
| The Wiener Holocaust Library | 07/11/2019 | wnr |
| Winchester College Fellows' Library | 17/10/2019 | win |
| Wrexham Glyndwr University | 30/07/2021 | wgu |
| Y |
| University of York Libraries | 01/08/2021 | yrk |
| York Minster | 01/08/2021 | ymi |
| Z |
| Zoological Society of London | 26/11/2019 | zsl |
