National Library of Catalonia (Q1200925)
The National Institute of Statistics and Economic Studies (Q156616)
Martynas Mažvydas National Library of Lithuania (Q1635759)
Institut national de l'information géographique et forestière (Q1665102)
University of California, Berkeley (Q168756)
Bibliothèque nationale de France (Q193563)
National Library of the Czech Republic (Q1967876)
Italian National Institute of Statistics (Q214195)
Répertoire International des Sources Musicales (Q2178828)
Pontifical University of Saint Thomas Aquinas (Q246887)
Agence bibliographique de l'enseignement supérieur (Q2826570)
Library Network of Western Switzerland (Q3456783)
Istituto Centrale per il Catalogo Unico (Q3803707)
Bibliothèque et Archives nationales du Québec (Q39628)
American Academy of Arts and Sciences (Q463303)
Bibliographisches Institut & F. A. Brockhaus (Q464633)
The Great Russian Encyclopedia (Q5061737)
German Academy of Sciences Leopoldina (Q543804)
Sede del Boletín Oficial del Estado (Q5659724)
National and University Library of Iceland (Q627423)
National and University Library in Zagreb (Q631375)
National Institute of Statistics (Q6973708)
Lincoln Near-Earth Asteroid Research (Q735603)
Communist Party of the Soviet Union (Q79854)
China Academic Library and Information System (Q9384291)