Genre
Periodicals
29,600
Electronic books
19,935
History
17,133
Statistics
16,979
Congresses
16,313
Conference papers and proceedings
11,643
Biography
6,380
Case studies
3,395
Biographies
3,322
Sources
1,743
Directories
1,722
Academic theses
1,093
Dictionaries
1,037
reference
986
referencia
986
référence bibliographique
985
bibliography
981
bibliographie
978
bibliografía
977
Bibliography
950
Thèses et écrits académiques
922
Electronic journals
917
graph
684
graphique
684
gráfico
682
Handbooks, manuals, etc
631
Périodiques
593
Interviews
589
Aufsatzsammlung
555
Bibliographies
512
Maps
485
Congrès
478
dissertations
471
Statistiques
456
Festschriften
455
Handbooks and manuals
444
doctoral dissertations
441
theses
441
masters theses
440
Academic Dissertation
437
Périodiques
400
Autobiographies
397
Documentary films
345
carte géographique
343
map
343
mapa
343
Databases
337
Serial publications
337
Conference papers and proceedings
305
Pictorial works
299
more ...