Europe

@ - A library that provided us information for our website
@ - A library that provided us information for something other than our website
Boldface - A library we have personally visited

Europe

Belarus:

Jakub Kolas Central Science Library, Minsk

Belgium:

Vlaamse Esperantobond - Bibliotheek, Antwerp
European Commission Central Library, Brussels

Bulgaria:

@ American University in Bulgaria, Blagoevgrad

Eire:

Chester Beatty Library, Dublin
Marsh's Library, Dublin
@ Representative Church Body Library, Dublin
Russell Library, Maynooth

Finland:

France:

Bibliothèque du Centre de Recherches Archéologiques Médiévales, Caen
Bibliothèque de l'Ecole Nationale des Ponts et Chaussees, Champs sur Marne
Bibliothèque de Documentation Internationale Contemporaine, Nanterre
Bibliothèque de la Société de Port-Royal, Paris
Bibliothèque Marxiste de Paris, Paris

Germany:

Central Agricultural Library of Germany, Bonn
Bibliothek des Deutschen Alpenvereins, München
Die Philatelistische Bibliothek der Münchner Stadtbibliothek, München
Bibliothek des Moses Mendelssohn Zentrums, Potsdam
Deutsches Literaturarchiv / German Literature Archive, Schillerhöhe
Bibliothek des Deutschen Pferdemuseums, Verden
Herzogin Anna Amalia Bibliothek, Weimar

Hungary:

Central Research Institute for Physics Library, Budapest
Corvinus Library, (a virtual library)

Iceland:

@ University of Akureyri Library, Akureyri

Italy:

Biblioteca dell'Osservatorio Astrofisico di Arcetri, Firenze
Biblioteca Ambrosiana, Milano
Biblioteca Francescana, Milano
Biblioteca di Archeologia e Storia dell’Arte, Roma
Biblioteca Sportiva Nazionale, Roma
FAO David Lubin Memorial Library, Roma

Monaco:

The Princess Grace Irish Library, Monaco

Netherlands:

J.R. Ritman Library -- Bibliotheca Philosophica Hermetica, Amsterdam
@ University of Amsterdam Library, Amsterdam

Norway:

@ University of Oslo Library, Oslo

Romania:

Biblioteca Academiei Române, Bucharest
Nicolae Iorga Institute of History, Bucharest
@ University of Oradea Library, Oradea

Russia:

Central Naval Library, St. Petersburg
Library of Moscow State Aviation Institute, Moscow
Russian Academy of Sciences -- Siberian Branch, Novosibirsk
Russian State Library, Moscow
Transsib Museum, (a virtual library)

Slovenia:

Narodna in Univerzitetna Knjiznica, Ljubljana

Sweden:

The Music Library of Sweden, Stockholm

Switzerland:

Ukraine:

The State Library of Ukraine for Children, Kiev
Chizhevsky Regional Universal Research Library, Kirovohrad

United Kingdom:

@ University of Aberdeen Library, Aberdeen
British Bible Society's Library, Cambridge
@ Tyndale House Library, Cambridge
@ Marshall Library of Economics, University of Cambridge, Cambridge
@ Pendlebury Library of Music, University of Cambridge, Cambridge
International Bee Research Association Library, Cardiff
Scottish Poetry Library, Edinburgh
Glasgow Women's Library, Glasgow
@ University of Glasgow Library, Glasgow
Mitchell Library, Glasgow
British Jigsaw Puzzle Library, Herne Bay, Kent
British Library, London
Guildhall Library, London
Goethe Institut Information Centre and Library, London
Library of the London School of Economics and Political Science, London
Lindley Library, Royal Horticultural Society, London
London Library, London
Marcus Garvey Library, London
Morrison Collection, London
National Art Library, London
Natural History Museum Library, London
Poetry Library, London
Rothschild Archive, London
Royal Academy of Music Library, London
Royal Institute of British Architects Library, London
Royal Society of Chemistry Library and Information Centre, London
Royal Society of Medicine Library, London
Science Museum Library, London
Vaughan Williams Memorial Library, London
Women's Library, London
@ Bodleian Library, Oxford University, Oxford
National Marine Biological Library, Plymouth
Working Class Movement Library, Salford

Vatican City:

Biblioteca Apostolica Vaticana, Vatican City