SUBJECT
History
154
Philosophy
85
German language
57
Operas
54
History and criticism
49
Music
37
Architecture
35
Piano music
34
Psychoanalysis
32
Studies and exercises
32
Art
31
Grammar
27
Sociology
26
Criticism and interpretation
25
Politics and government
25
String quartets
25
Civilization
24
English
24
Songs, German
23
Songs with piano
22
Description and travel
20
Symphonies
19
Architecture, Modern
18
English language
18
Ethics
18
Design
17
German literature
17
Religion
17
Aesthetics
16
Concertos (Piano)
16
Economic conditions
16
Ethnology
16
Sonatas (Piano)
15
Vocal scores with piano
15
Communism
14
Economics
14
Polyglot
14
Scores
14
Social aspects
14
German
13
Piano
13
Social life and customs
13
Language and languages
12
Science
12
Sonatas (Violoncello and piano)
12
Antiquities
11
Economic policy
11
Exhibitions
11
Psychological aspects
11
Religious aspects
11
more ...