Esperanto Museum of the Austrian National Library

• Website: https://www.onb.ac.at/en/museums/esperanto-museum
• Location: Palais Mollard, Herrengasse 9, 1010 Vienna

Esperanto-Biblioteko Ramon Molera Pedrals

• Website: http://www.bibliotekomolera.org/
• Location: Str. Palau 17, ES-010180 Moià (Barcelona)

German Esperanto Library

• Website: https://www.esperanto.de/de/enhavo/deutsche-esperanto-bibliothek-aalen
• Location: Stadtbibliothek Aalen, Gmünder Straße 9, D-73430 Aalen

Hector Hodler Library

• Website: https://uea.org/asocio/biblioteko
• Location: Nieuwe Binnenweg 172, 3015 BJ Rotterdam

Montagu C. Butler Library

• Website: https://legacy.esperanto.org.uk/eab/library.htm
• Location: Barlaston, Stoke-on-Trent, ST12 9DE

Esperanto Library in Svitavy

• Website: http://www.muzeum.esperanto.cz/cs/
• Location: Ottendorferův dům, Náměstí Míru 81/1, 568 02 Svitavy 

National Esperanto Library and Archive

• Website: http://www.doktoroesperanto.it/index.php?lang=en
• Location: via Giovanni Sforza, 3 – 54100 – Massa (MS)

Center for Documentation and Study about the International Language

• Website: http://www.cdeli.org/
• Location: Bibliothèque de la Ville, Progrès 33, CH-2300 La Chaux-de-Fonds